US3091760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burglar alarm actuator
Assignee: HOLMES ELECTRIC PROTECTIVE CO
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Filing: 1960-03-28
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Granted: 1963-05-28
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Le Roy C Spenard
- 👤 David J Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:02
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A BURGLAR ALARM SWITCH MECHANISM FOR A SLIDING ELEVATOR FLOOR DOOR COMPRISING A CASING FOR RETAINING SAID MECHANISM ADJACENT SAID DOOR, A LEVER WITH A LEVER ARM HAVING ONE END PIVOTALLY FASTENED TO THE INTERIOR OF SAID CASING, CONTACT MEANS FASTENED TO SAID LEVER ARM FOR MAINTAINING CONTACT WITH SAID DOOR, RESILIENT MEANS ASSOCIATED WITH SAID LEVER FOR URGING SAID CONTACT MENS OUTWARDLY OF SAID CASING, AT LEST ONE SWITCH FASTENED TO SAID CASING ADJACENT SAID LEVER, A MEMBER EXTENDING FROM SAID ARM TO ACTUATE SAID AT LEAST ONE SWITCH TO TURN IN AN ALARM WHEN SAID CONTACT MEANS IS RELEASED OUTWARDLY FROM CONTACT WITH SAID DOOR, A DEVICE FASTENED TO SAID LEVER ARM FOR DETECTING VIBRATIONS TRANSMITTED THROUGH SAID ROLLER FROM SAID DOOR TO SAID ARM AND FOR TURNING IN AN ALARM UPON THE OCCURRENCE OF SUCH VIBRATIONS, AN ADDITIONAL SWITCH FASTENED TO SAID CASING NEAR THE END OF SAID LEVER ARM OPPOSITE SAID PIVOTALLY FASTENED END, MEANS AT THE END OF SAID LEVER ARM OPPOSITE SAID PIVOTALLY FASTENED END FOR ACTUATING SAID ADDITIONAL SWITCH TO TURN IN AN ALARM WHEN SAID CONTACT MEANS IS FORCED INWARDLY OF SAID CASING OUT OF CONTACT WITH SAID DOOR.
Claim 2
Dependent Claim
197 words
A BURGLAR ALARM SWITCH MECHANISM FOR A SLIDING ELEVATOR FLOOR DOOR COMPRISING A CASING FOR RETAINING SAID MECHANISM ADJACENT SAID DOOR, A LEVER WITH A LEVER ARM HAVING ONE END PIVOTALLY FASTENED TO THE INTERIOR OF SAID CASING, CONTACT MEANS FASTENED TO SAID LEVER ARM FOR MAINTAINING CONTACT WITH SAID DOOR, RESILIENT MEANS ASSOCIATED WITH SAID LEVER FOR URGING SAID CONTACT MENS OUTWARDLY OF SAID CASING, AT LEST ONE SWITCH FASTENED TO SAID CASING ADJACENT SAID LEVER, A MEMBER EXTENDING FROM SAID ARM TO ACTUATE SAID AT LEAST ONE SWITCH TO TURN IN AN ALARM WHEN SAID CONTACT MEANS IS RELEASED OUTWARDLY FROM CONTACT WITH SAID DOOR, A DEVICE FASTENED TO SAID LEVER ARM FOR DETECTING VIBRATIONS TRANSMITTED THROUGH SAID ROLLER FROM SAID DOOR TO SAID ARM AND FOR TURNING IN AN ALARM UPON THE OCCURRENCE OF SUCH VIBRATIONS, AN ADDITIONAL SWITCH FASTENED TO SAID CASING NEAR THE END OF SAID LEVER ARM OPPOSITE SAID PIVOTALLY FASTENED END, MEANS AT THE END OF SAID LEVER ARM OPPOSITE SAID PIVOTALLY FASTENED END FOR ACTUATING SAID ADDITIONAL SWITCH TO TURN IN AN ALARM WHEN SAID CONTACT MEANS IS FORCED INWARDLY OF SAID CASING OUT OF CONTACT WITH SAID DOOR.
References Cited (Backward Citations)
US1182283A
Cited
US2839736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |