US3190091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable cylinder spindle retaining shoulder
Assignee: Individual
•
Filing: 1963-05-27
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Granted: 1965-06-22
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
- 👤 George B Solovieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:43
CPC Classifications
E; E05; E05B; E05B9/00; E05B9/08; E05B9/084; E05B9/086; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5832
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A LOCK, A SPINDLE HAVING A BORE THEREIN AND A RETAINING SHOULDER ON THE SPINDLE, A KEY-OPERATED MECHANNISM HAVING A PORTION THEREOF LOCATED IN SAID BORE AND A PORTION EXTENDING THROUGH THE WALL OF SAID SPINDLE ADJACENT SAID SHOULDER, CAM MEANS OPERABLY ASSOCIATED WITH SAID KEY-OPERATED MECHANISM AND RESPONSIVE TO OPERATION BY A CONTROL KEY AND NOT RESPONSIVE TO OPERATION BY AN OPERATOR KEY, SAID CAM MEANS BEING EXTENDABLE INTO ENGAGEMENT WITH SAID SHOULDER WHEREBY TO RETAIN SAID KEYOPERATED MECHANISM IN ENGAGEMENT WITH SAID SPINDLE DURING MANIPULATING OF SAID KEY-OPERATED MECHAISM BY SAID OPERATOR KEY.
Claim 2
Dependent Claim
96 words
IN A LOCK, A SPINDLE HAVING A BORE THEREIN AND A RETAINING SHOULDER ON THE SPINDLE, A KEY-OPERATED MECHANNISM HAVING A PORTION THEREOF LOCATED IN SAID BORE AND A PORTION EXTENDING THROUGH THE WALL OF SAID SPINDLE ADJACENT SAID SHOULDER, CAM MEANS OPERABLY ASSOCIATED WITH SAID KEY-OPERATED MECHANISM AND RESPONSIVE TO OPERATION BY A CONTROL KEY AND NOT RESPONSIVE TO OPERATION BY AN OPERATOR KEY, SAID CAM MEANS BEING EXTENDABLE INTO ENGAGEMENT WITH SAID SHOULDER WHEREBY TO RETAIN SAID KEYOPERATED MECHANISM IN ENGAGEMENT WITH SAID SPINDLE DURING MANIPULATING OF SAID KEY-OPERATED MECHAISM BY SAID OPERATOR KEY.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |