Patent US3131668A successfully refreshed from Google Patents.
US3131668A
Expired / Lapsed
US
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Alarm device
Assignee: Mark C Stebbins and Sons Inc
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Filing: 1962-04-05
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Granted: 1964-05-05
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Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Mark C Stebbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:15
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/08; Y; Y10; Y10S; Y10S55/00; Y10S55/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
AN ALARM DEVICE COMPRISING, AN ALARM TRANSMITTING MECHANISM IN A HOUSING ADAPTED TO BE MOUNTED IN A DOORWAY OR THE LIKE, LOCK MEANS RELEASABLY LOCKING SAID HOUSING IN PLACE AND IN LOCKED CONDITION BEING OPERABLE SELECTIVELY TO ON AND OFF POSITIONS, MEANS PROVIDING A MOVABLE MEMBER IN SAID HOUSING CARRYING A BRAKE ELEMENT ENGAGED WITH A MOVABLE PART OF SAID MECHANISM AND BEING SPRING BIASED TOWARD BRAKE RELEASED CONDITION, SAID LOCK MEANS INCLUDING MEANS OPERATIVE IN SAID OFF POSITION TO PROVIDE FIRST RESTRAINT AGAINST BRAKE RELEASING MOVEMENT OF SAID MEMBER AND BEING OPERATIVE IN SAID ON POSITION TO FREE SAID MEMBER OF SAID FIRST RESTRAINT, MEANS PROVIDING A PLUNGER EXTENDING TO THE INTERIOR AND EXTERIOR OF SAID HOUSING AND BEING OPERABLE THROUGH INTERPOSED LINK MEANS TO PROVIDE SECOND RESTRAINT AGAINST BRAKE RELEASING MOVEMENT OF SAID MEMBER INDEPENDENTLY OF SAID FIRST RESTRAINT, SAID PLUNGER BEING OPERATIVELY RELEASABLE FROM SAID LINK MEANS RESPONSIVE TO MOVEMENT THEREOF RELATIVE TO SAID HOUSING INDUCED BY RELATIVE MOVEMENT OF SAID HOUSING AND AN ADJACENT EXTERIOR OBJECT ENGAGED BY SAID PLUNGER WHEREBY TO FREE SAID MEMBER OF SAID SECOND RESTRAINT AND ACTUATE SAID ALARM TRANSMITTING DEVICE.
Claim 2
Dependent Claim
189 words
AN ALARM DEVICE COMPRISING, AN ALARM TRANSMITTING MECHANISM IN A HOUSING ADAPTED TO BE MOUNTED IN A DOORWAY OR THE LIKE, LOCK MEANS RELEASABLY LOCKING SAID HOUSING IN PLACE AND IN LOCKED CONDITION BEING OPERABLE SELECTIVELY TO ON AND OFF POSITIONS, MEANS PROVIDING A MOVABLE MEMBER IN SAID HOUSING CARRYING A BRAKE ELEMENT ENGAGED WITH A MOVABLE PART OF SAID MECHANISM AND BEING SPRING BIASED TOWARD BRAKE RELEASED CONDITION, SAID LOCK MEANS INCLUDING MEANS OPERATIVE IN SAID OFF POSITION TO PROVIDE FIRST RESTRAINT AGAINST BRAKE RELEASING MOVEMENT OF SAID MEMBER AND BEING OPERATIVE IN SAID ON POSITION TO FREE SAID MEMBER OF SAID FIRST RESTRAINT, MEANS PROVIDING A PLUNGER EXTENDING TO THE INTERIOR AND EXTERIOR OF SAID HOUSING AND BEING OPERABLE THROUGH INTERPOSED LINK MEANS TO PROVIDE SECOND RESTRAINT AGAINST BRAKE RELEASING MOVEMENT OF SAID MEMBER INDEPENDENTLY OF SAID FIRST RESTRAINT, SAID PLUNGER BEING OPERATIVELY RELEASABLE FROM SAID LINK MEANS RESPONSIVE TO MOVEMENT THEREOF RELATIVE TO SAID HOUSING INDUCED BY RELATIVE MOVEMENT OF SAID HOUSING AND AN ADJACENT EXTERIOR OBJECT ENGAGED BY SAID PLUNGER WHEREBY TO FREE SAID MEMBER OF SAID SECOND RESTRAINT AND ACTUATE SAID ALARM TRANSMITTING DEVICE.
References Cited (Backward Citations)
US1177121A
Cited
US3038436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |