US3234765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nested handle cam-type door lock assembly
Assignee: Chicago Lock Co
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Filing: 1963-12-20
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Granted: 1966-02-15
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Expires: 1983-12-20
Abstract
No abstract record available.
Inventors
- 👤 William J Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
E; E05; E05B; E05B5/00; E05B5/003; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5761
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A LOCK ASSEMBLY FOR A SEALED CABINET DOOR, IN COMBINATION, A TUBULAR OPEN-ENDED CYLINDRICAL LOCK HOUSING PROVIDED AT ITS FRONT END WITH A RADIAL RIM FLANGE AND AT ITS REAR WITH AN INTURNED BEARING FLANGE PRESENTING A CENTRAL BEARING OPENING, SAID RIM FLANGE BEING PROVIDED WITH A SHALLOW ELONGATED RECESS IN THE FORWARD END FACE THEREOF, A CYLINDRICAL SLEEVE COAXIAL WITH AND ROTATABLY DISPOSED WITHIN SAID LOCK HOUSING, MEANS CONSTRAINING SAID SLEEVE AGAINST AXIAL SHIFTING WITHIN THE LOCK HOUSING WHILE ALLOWING FOR FREE ROTATION THEREOF, A LOCK SHAFT ON THE REAR END OF SAID SLEEVE PROJECTING THROUGH SAID BEARING FLANGE, AN OPERATING HANDLE SHAPED CONFORM-
Claim 2
Dependent Claim
106 words
IN A LOCK ASSEMBLY FOR A SEALED CABINET DOOR, IN COMBINATION, A TUBULAR OPEN-ENDED CYLINDRICAL LOCK HOUSING PROVIDED AT ITS FRONT END WITH A RADIAL RIM FLANGE AND AT ITS REAR WITH AN INTURNED BEARING FLANGE PRESENTING A CENTRAL BEARING OPENING, SAID RIM FLANGE BEING PROVIDED WITH A SHALLOW ELONGATED RECESS IN THE FORWARD END FACE THEREOF, A CYLINDRICAL SLEEVE COAXIAL WITH AND ROTATABLY DISPOSED WITHIN SAID LOCK HOUSING, MEANS CONSTRAINING SAID SLEEVE AGAINST AXIAL SHIFTING WITHIN THE LOCK HOUSING WHILE ALLOWING FOR FREE ROTATION THEREOF, A LOCK SHAFT ON THE REAR END OF SAID SLEEVE PROJECTING THROUGH SAID BEARING FLANGE, AN OPERATING HANDLE SHAPED CONFORM-
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |