US3231880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection response mechanism
Assignee: Individual
•
Filing: 1962-06-18
•
Granted: 1966-01-25
•
Expires: 1982-06-18
Abstract
No abstract record available.
Inventors
- 👤 Stefan M Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:43
CPC Classifications
E; E05; E05F; E05F5/00; E05F5/02; E05F5/022; E05F5/025; G; G08; G08B; G08B13/00; G08B13/22; G08B13/26; E05F15/00; E05F15/40; E05F15/42; E05F15/46; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/224; E05Y2201/23; E05Y2201/246; E05Y2201/40; E05Y2201/46; E05Y2201/462; E05Y2800/00; E05Y2800/25; E05Y2800/252; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
ELECTRICAL MEANS FOR DETECTING OCCUPANT''S FINGERS AND THE LIKE IN A DOOR JAMB OF A HINGED DOOR AND A RESPONSE MECHANISM CAPABLE OF PREVENTING SAID HINGED DOOR FROM FULLY CLOSING, SAID ELECTRICAL MEANS BEING PARTICULARLY SUITED FOR EASY APPLICATION TO SAID DOOR JAMB AND COMPRISING A TAPE HAVING A LAYER OF ADHESIVE SECURED TO ITS BACKSIDE FOR AFFIXING SAID TAPE TO SAID JAMB OF SAID DOOR, AND A PLURALITY OF EXPOSED CONDUCTIVE STRIPS SECURED TO ITS FACE SIDE, A CAPACITANCE CHANGE DETECTING CIRCUIT WITH INPUT TERMINALS, AND MEANS FOR CONNECTING THE EXPOSED STRIPS OF SAID TAPE TO SAID INPUT TERMINALS, AND SAID RESPONSE MECHANISM COMPRISING A SOLENOID WHICH OPERATES TO MECHANICALLY BLOCK SAID HINGED DOOR AGAINST CLOSING, SAID SOLENOID BEING IN CIRCUIT WITH SAID ELECTRICAL MEANS.
Claim 2
Dependent Claim
126 words
ELECTRICAL MEANS FOR DETECTING OCCUPANT''S FINGERS AND THE LIKE IN A DOOR JAMB OF A HINGED DOOR AND A RESPONSE MECHANISM CAPABLE OF PREVENTING SAID HINGED DOOR FROM FULLY CLOSING, SAID ELECTRICAL MEANS BEING PARTICULARLY SUITED FOR EASY APPLICATION TO SAID DOOR JAMB AND COMPRISING A TAPE HAVING A LAYER OF ADHESIVE SECURED TO ITS BACKSIDE FOR AFFIXING SAID TAPE TO SAID JAMB OF SAID DOOR, AND A PLURALITY OF EXPOSED CONDUCTIVE STRIPS SECURED TO ITS FACE SIDE, A CAPACITANCE CHANGE DETECTING CIRCUIT WITH INPUT TERMINALS, AND MEANS FOR CONNECTING THE EXPOSED STRIPS OF SAID TAPE TO SAID INPUT TERMINALS, AND SAID RESPONSE MECHANISM COMPRISING A SOLENOID WHICH OPERATES TO MECHANICALLY BLOCK SAID HINGED DOOR AGAINST CLOSING, SAID SOLENOID BEING IN CIRCUIT WITH SAID ELECTRICAL MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |