Patent US275671A successfully refreshed from Google Patents.
Patent US3149871A successfully refreshed from Google Patents.
US3149871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand hold face opening and spindle device for insertion or removal of button-operated mechanism
Assignee: Individual
•
Filing: 1962-12-07
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Granted: 1964-09-22
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Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
- 👤 Joseph D Witt
- 👤 Roger J Nolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:53
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/003; Y; Y10; Y10T; Y10T292/00; Y10T292/82; Y10T292/85; Y10T292/865; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5832
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A DOOR LOCK A SPINDLE AND A HAND HOLD NONROTATABLY ATTACHED TO SAID SPINDLE, A FACE AT THE OUTER END OF THE HAND HOLD HAVING AN OPENING THEREIN IN ALIGNMENT WITH THE SPINDLE, A BUTTON-OPERATED MECHANISM EXTENDING FROM THE INTERIOR OF SAID HAND HOLD OUTWARDLY THROUGH THE OPENING IN SAID FACE OF THE HAND HOLD TO THE EXTERIOR, THE PORTION OF SAID BUTTON-OPERATED MECHANISM IN SAID OPENING HAVING A CROSS SECTIONAL SHAPE AND SIZE SUBSTANTIALLY THE SAME AS THE CROSS SECTIONAL SHAPE AND SIZE OF SAID OPENING, A SHOULDER ON SAID BUTTON-OPERATED MECHANISM, A KEEPER ASSEMBLY HAVING A FIRST PORTION EXTENDING INTO RELEASABLE ENGAGEMENT WITH SAID SHOULDER, SAID KEEPER ASSEMBLY HAVING ANOTHER PORTION EXTENDING TRANSVERSELY THROUGH SAID SPINDLE AND BEING RECIPROCATABLY MOUNTED THEREIN, SAID KEEPER ASSEMBLY BEING MOVABLE TO A POSITION WHEREIN SAID BUTTON OPERATED MECHANISM IS RELEASED WHEREBY SAID BUTTON-OPERATED MECHANISM IS ADAPTED TO BE WITHDRAWN OUTWARDLY THROUGH SAID HAND HOLD TO THE EXTERIOR.
Claim 2
Dependent Claim
156 words
IN A DOOR LOCK A SPINDLE AND A HAND HOLD NONROTATABLY ATTACHED TO SAID SPINDLE, A FACE AT THE OUTER END OF THE HAND HOLD HAVING AN OPENING THEREIN IN ALIGNMENT WITH THE SPINDLE, A BUTTON-OPERATED MECHANISM EXTENDING FROM THE INTERIOR OF SAID HAND HOLD OUTWARDLY THROUGH THE OPENING IN SAID FACE OF THE HAND HOLD TO THE EXTERIOR, THE PORTION OF SAID BUTTON-OPERATED MECHANISM IN SAID OPENING HAVING A CROSS SECTIONAL SHAPE AND SIZE SUBSTANTIALLY THE SAME AS THE CROSS SECTIONAL SHAPE AND SIZE OF SAID OPENING, A SHOULDER ON SAID BUTTON-OPERATED MECHANISM, A KEEPER ASSEMBLY HAVING A FIRST PORTION EXTENDING INTO RELEASABLE ENGAGEMENT WITH SAID SHOULDER, SAID KEEPER ASSEMBLY HAVING ANOTHER PORTION EXTENDING TRANSVERSELY THROUGH SAID SPINDLE AND BEING RECIPROCATABLY MOUNTED THEREIN, SAID KEEPER ASSEMBLY BEING MOVABLE TO A POSITION WHEREIN SAID BUTTON OPERATED MECHANISM IS RELEASED WHEREBY SAID BUTTON-OPERATED MECHANISM IS ADAPTED TO BE WITHDRAWN OUTWARDLY THROUGH SAID HAND HOLD TO THE EXTERIOR.
References Cited (Backward Citations)
US2743123A
Cited
US3016255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |