BE741861A - - Google Patents
Info
- Publication number
- BE741861A BE741861A BE741861DA BE741861A BE 741861 A BE741861 A BE 741861A BE 741861D A BE741861D A BE 741861DA BE 741861 A BE741861 A BE 741861A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/08—Periscopes
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77992268A | 1968-11-29 | 1968-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE741861A true BE741861A (en) | 1970-05-04 |
Family
ID=25118010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE741861D BE741861A (en) | 1968-11-29 | 1969-11-18 |
Country Status (10)
| Country | Link |
|---|---|
| BE (1) | BE741861A (en) |
| BR (1) | BR6914586D0 (en) |
| CA (1) | CA925330A (en) |
| CH (1) | CH500857A (en) |
| DE (1) | DE1950476C3 (en) |
| ES (1) | ES172899Y (en) |
| FR (1) | FR2024469A1 (en) |
| GB (1) | GB1274049A (en) |
| NL (1) | NL6916916A (en) |
| SE (1) | SE368931B (en) |
-
1969
- 1969-08-05 GB GB3910569A patent/GB1274049A/en not_active Expired
- 1969-08-19 ES ES1969172899U patent/ES172899Y/en not_active Expired
- 1969-10-07 DE DE19691950476 patent/DE1950476C3/en not_active Expired
- 1969-10-08 FR FR6934458A patent/FR2024469A1/fr not_active Withdrawn
- 1969-10-20 SE SE1435369A patent/SE368931B/xx unknown
- 1969-10-30 CH CH1631069A patent/CH500857A/en not_active IP Right Cessation
- 1969-11-10 NL NL6916916A patent/NL6916916A/xx unknown
- 1969-11-18 BE BE741861D patent/BE741861A/xx unknown
- 1969-11-27 BR BR21458669A patent/BR6914586D0/en unknown
- 1969-11-28 CA CA068657A patent/CA925330A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6916916A (en) | 1970-06-02 |
| DE1950476B2 (en) | 1978-05-24 |
| SE368931B (en) | 1974-07-29 |
| DE1950476A1 (en) | 1970-11-19 |
| FR2024469A1 (en) | 1970-08-28 |
| BR6914586D0 (en) | 1973-04-10 |
| DE1950476C3 (en) | 1979-01-18 |
| CH500857A (en) | 1970-12-31 |
| ES172899Y (en) | 1973-05-16 |
| CA925330A (en) | 1973-05-01 |
| GB1274049A (en) | 1972-05-10 |
| ES172899U (en) | 1972-04-01 |