USD433055S - Combined counting board and abacus - Google Patents
Combined counting board and abacus Download PDFInfo
- Publication number
- USD433055S USD433055S US29/116,965 US11696500F USD433055S US D433055 S USD433055 S US D433055S US 11696500 F US11696500 F US 11696500F US D433055 S USD433055 S US D433055S
- Authority
- US
- United States
- Prior art keywords
- abacus
- counting board
- combined counting
- combined
- board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Description
FIG. 1 is a top view of the combined counting board and abacus showing my new design, the bottom view being substantially identical thereto;
FIG. 2 is a side view of the combined counting board and abacus shown in FIG. 1, the opposite side being substantially identical thereto; and,
FIG. 3 is an end view of the combined counting board and abacus shown in FIG. 1, the opposite end being substantially identical thereto.
Claims (1)
- The ornamental design for a combined counting board and abacus, as shown.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29/116,965 USD433055S (en) | 2000-01-13 | 2000-01-13 | Combined counting board and abacus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29/116,965 USD433055S (en) | 2000-01-13 | 2000-01-13 | Combined counting board and abacus |
Publications (1)
Publication Number | Publication Date |
---|---|
USD433055S true USD433055S (en) | 2000-10-31 |
Family
ID=71665549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/116,965 Expired - Lifetime USD433055S (en) | 2000-01-13 | 2000-01-13 | Combined counting board and abacus |
Country Status (1)
Country | Link |
---|---|
US (1) | USD433055S (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD797847S1 (en) * | 2016-03-16 | 2017-09-19 | Shi Zhang | Abacus |
US11314275B2 (en) | 2019-07-26 | 2022-04-26 | Ameerah Anakaona Bello | Adaptable educational device |
USD1033529S1 (en) * | 2021-09-24 | 2024-07-02 | James M. Brasfield | Unidecimal-based abacus |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2228554A (en) * | 1939-07-11 | 1941-01-14 | Charles A Brown | Abacus |
GB732266A (en) | 1952-12-10 | 1955-06-22 | Kosma Pawlow | An improved abacus |
US2872742A (en) * | 1954-12-10 | 1959-02-10 | Andrew F Schott | Abacus with magnetic means for holding unit counters in position |
US3076272A (en) * | 1959-05-28 | 1963-02-05 | Andrew F Schott | Abacus |
US3455034A (en) * | 1965-10-19 | 1969-07-15 | Andrew F Schott | Mathematics teaching tool |
US3633287A (en) * | 1970-05-06 | 1972-01-11 | Fitz A Squires | Numerical base systems teaching device |
US3688418A (en) * | 1970-03-09 | 1972-09-05 | Wilson Henry A | Manual computing device |
-
2000
- 2000-01-13 US US29/116,965 patent/USD433055S/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2228554A (en) * | 1939-07-11 | 1941-01-14 | Charles A Brown | Abacus |
GB732266A (en) | 1952-12-10 | 1955-06-22 | Kosma Pawlow | An improved abacus |
US2872742A (en) * | 1954-12-10 | 1959-02-10 | Andrew F Schott | Abacus with magnetic means for holding unit counters in position |
US3076272A (en) * | 1959-05-28 | 1963-02-05 | Andrew F Schott | Abacus |
US3455034A (en) * | 1965-10-19 | 1969-07-15 | Andrew F Schott | Mathematics teaching tool |
US3688418A (en) * | 1970-03-09 | 1972-09-05 | Wilson Henry A | Manual computing device |
US3633287A (en) * | 1970-05-06 | 1972-01-11 | Fitz A Squires | Numerical base systems teaching device |
Non-Patent Citations (1)
Title |
---|
Popular Science; How to use an Abacus by W.D. Loy; pp. 86-90, Aug. 1948. |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD797847S1 (en) * | 2016-03-16 | 2017-09-19 | Shi Zhang | Abacus |
US11314275B2 (en) | 2019-07-26 | 2022-04-26 | Ameerah Anakaona Bello | Adaptable educational device |
USD1033529S1 (en) * | 2021-09-24 | 2024-07-02 | James M. Brasfield | Unidecimal-based abacus |
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