Patent US3193274A successfully refreshed from Google Patents.
US3193274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety door actuator
Assignee: VEMCO PRODUCTS Inc
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Filing: 1962-07-26
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Granted: 1965-07-06
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Expires: 1982-07-26
Abstract
No abstract record available.
Inventors
- 👤 Harold L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:31
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/684; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/646; E05Y2800/00; E05Y2900/00; E05Y2900/10; E05Y2900/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A GARAGE DOOR OPERATING MECHANISM WITHIN A LINEAL POWER SHUTTLE OPERATES AN ACTUATOR ARM CONNECTED TO A VERTICAL-LIFT DOOR TO RAIDE AND LOWER THE DOOR, A SAFETY RELEASE COMBINATION COMPRISING: (A) A GUIDE TRACK, (B) A POWER SHUTTLE ON SAID TRACK, (C) SPRING BIASED MEANS ON SAID SHUTTLE FORMING A RE-ENTRY RECESS, (D) A SECOND SHUTTLE ON SAID TRACK ASSOCIATED WITH AN ACTUATOR ARM OF A GARAGE DOOR, AND (E) ANCHOR MEANS ON SAID SECOND SHUTTLE RELEASABLY RECEIVABLE IN SAID RE-ENTRY RECESS OF SAID POWER SHUTTLE WHEREIN SAID SHUTTLE MAY BE RELEASABLY ENGAGED FOR NORMAL OPERATION OF SAID DOOR.
Claim 2
Dependent Claim
100 words
IN A GARAGE DOOR OPERATING MECHANISM WITHIN A LINEAL POWER SHUTTLE OPERATES AN ACTUATOR ARM CONNECTED TO A VERTICAL-LIFT DOOR TO RAIDE AND LOWER THE DOOR, A SAFETY RELEASE COMBINATION COMPRISING: (A) A GUIDE TRACK, (B) A POWER SHUTTLE ON SAID TRACK, (C) SPRING BIASED MEANS ON SAID SHUTTLE FORMING A RE-ENTRY RECESS, (D) A SECOND SHUTTLE ON SAID TRACK ASSOCIATED WITH AN ACTUATOR ARM OF A GARAGE DOOR, AND (E) ANCHOR MEANS ON SAID SECOND SHUTTLE RELEASABLY RECEIVABLE IN SAID RE-ENTRY RECESS OF SAID POWER SHUTTLE WHEREIN SAID SHUTTLE MAY BE RELEASABLY ENGAGED FOR NORMAL OPERATION OF SAID DOOR.
References Cited (Backward Citations)
US3043237A
Cited
US3091191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |