GB8712850D0 - Door bell - Google Patents
Door bellInfo
- Publication number
- GB8712850D0 GB8712850D0 GB878712850A GB8712850A GB8712850D0 GB 8712850 D0 GB8712850 D0 GB 8712850D0 GB 878712850 A GB878712850 A GB 878712850A GB 8712850 A GB8712850 A GB 8712850A GB 8712850 D0 GB8712850 D0 GB 8712850D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- door bell
- bell
- door
- 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.)
- Pending
Links
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878712850A GB8712850D0 (en) | 1987-06-02 | 1987-06-02 | Door bell |
GB8800854A GB2205433B (en) | 1987-06-02 | 1988-01-14 | Doorbell operated by sound waves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878712850A GB8712850D0 (en) | 1987-06-02 | 1987-06-02 | Door bell |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8712850D0 true GB8712850D0 (en) | 1987-07-08 |
Family
ID=10618237
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB878712850A Pending GB8712850D0 (en) | 1987-06-02 | 1987-06-02 | Door bell |
GB8800854A Expired - Lifetime GB2205433B (en) | 1987-06-02 | 1988-01-14 | Doorbell operated by sound waves |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8800854A Expired - Lifetime GB2205433B (en) | 1987-06-02 | 1988-01-14 | Doorbell operated by sound waves |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8712850D0 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2248132B (en) * | 1990-09-21 | 1995-02-15 | Thomas Robert Meek | Cordless doorchime |
DE29515679U1 (en) * | 1995-10-02 | 1995-12-07 | Heinrich Kopp Ag, 63796 Kahl | Electric house call system |
US6775523B2 (en) * | 2002-01-03 | 2004-08-10 | Desa Ip, Llc | Wireless transmitter and doorbell system |
US6992591B2 (en) * | 2002-02-15 | 2006-01-31 | Jenesis International Inc. | Marker lights for wireless doorbell transmitters and other devices |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2489022A1 (en) * | 1980-08-20 | 1982-02-26 | Pain Genevieve | Radio operated bell-push - has miniature battery-operated transmitter controlled by pushbutton and remote receiver |
US4523193A (en) * | 1983-11-21 | 1985-06-11 | Levinson Samuel H | Remote-controlled doorbell signal receiver |
FR2584215B1 (en) * | 1985-06-27 | 1987-10-02 | Krampner Roger | RINGER DEVICE REMOTELY CONTROLLED BY RADIO-TRANSMITTER. |
-
1987
- 1987-06-02 GB GB878712850A patent/GB8712850D0/en active Pending
-
1988
- 1988-01-14 GB GB8800854A patent/GB2205433B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB8800854D0 (en) | 1988-02-17 |
GB2205433A (en) | 1988-12-07 |
GB2205433B (en) | 1991-09-25 |
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