US3354583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator door opener
Assignee: Motors Liquidation Co
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Filing: 1965-09-27
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Granted: 1967-11-28
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Earl J Moorman
- 👤 Floyd O Moody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:23
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/0025; E05B17/0029; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN COMBINATION, A DOOR JAMB MEANS, A DOOR MEANS COOPERATING TO CLOSE UPON SAID DOOR JAMB MEANS, ONE OF SAID MEANS BEING PROVIDED WITH A STRIKE SURFACE, THE OTHER OF SAID MEANS BEING PROVIDED WITH AN ELECTRIC MOTOR PROVIDED WITH A BRAKE MEANS AND MEANS FOR RENDERING EFFECTIVE SAID BRAKE MEANS WHEN SAID MOTOR IS DEENERGIZED, MEANS FOR STARTING SAID MOTOR, AND MEANS OPERATED BY SAID MOTOR FOR ENGAGING SAID STRIKE SURFACE FOR OPENING SAID DOOR, SAID MEANS OPERATED BY SAID MOTOR INCLUDING A ROTATABLE ARM HAVING A PROJECTION EXTENDING INTO OVERLAPPING RELATION WITH SAID STRIKE SURFACE AND OPERABLE CONNECTING MEANS BETWEEN SAID MOTOR AND SAID ARM, SAID ARM HAVING ITS CENTER OF ROTATION LOCATED TO PROVIDE AN ARC OF MOVEMENT INTERSECTING SAID STRIKE SURFACE AT A SMALL ANGLE TO PROVIDE A LARGE INITIAL MECHANICAL ADVANTAGE TO INCREASE THE INITIAL FORCE OPEN THE DOOR.
Claim 2
Dependent Claim
144 words
IN COMBINATION, A DOOR JAMB MEANS, A DOOR MEANS COOPERATING TO CLOSE UPON SAID DOOR JAMB MEANS, ONE OF SAID MEANS BEING PROVIDED WITH A STRIKE SURFACE, THE OTHER OF SAID MEANS BEING PROVIDED WITH AN ELECTRIC MOTOR PROVIDED WITH A BRAKE MEANS AND MEANS FOR RENDERING EFFECTIVE SAID BRAKE MEANS WHEN SAID MOTOR IS DEENERGIZED, MEANS FOR STARTING SAID MOTOR, AND MEANS OPERATED BY SAID MOTOR FOR ENGAGING SAID STRIKE SURFACE FOR OPENING SAID DOOR, SAID MEANS OPERATED BY SAID MOTOR INCLUDING A ROTATABLE ARM HAVING A PROJECTION EXTENDING INTO OVERLAPPING RELATION WITH SAID STRIKE SURFACE AND OPERABLE CONNECTING MEANS BETWEEN SAID MOTOR AND SAID ARM, SAID ARM HAVING ITS CENTER OF ROTATION LOCATED TO PROVIDE AN ARC OF MOVEMENT INTERSECTING SAID STRIKE SURFACE AT A SMALL ANGLE TO PROVIDE A LARGE INITIAL MECHANICAL ADVANTAGE TO INCREASE THE INITIAL FORCE OPEN THE DOOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |