Patent US3255618A successfully refreshed from Google Patents.
US3255618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Individual
•
Filing: 1964-04-22
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Granted: 1966-06-14
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Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 Hermann Tobias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:40
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/04; E05C9/043; E05C9/048; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0803; Y10T292/0805; Y10T292/0806; Y10T292/0834; Y10T292/0836; Y10T292/0844; Y10T292/0886; Y10T292/0887; Y10T292/089; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/5252
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A DOOR LOCK COMPRISING A MOUNTING PLATE FOR ATTACHMENT TO A DOOR, A HOLLOW CYLINDRICAL TUBE PASSING THROUGH SAID MOUNTING PLATE AND RIGIDLY ATTACHED THERETO, A HANDLE SHAFT ROTATABLE IN SAID TUBE, A CAM PLATE ROTATABLY MOUNTED ON SAID TUBE, LOCKING MEANS COUPLED TO AND ACTUATED BY SAID CAM PLATE, KEY ACTUATED MEANS FOR HOLDING SAID CAM PLATE AGAINST ROTATION, AND MEANS RELEASEABLE UPON LONGITUDINAL MOVEMENT OF SAID HANDLE SHAFT IN AN INWARD DIRECTION AWAY FROM SAID CAM PLATE COUPLING SAID HANDLE SHAFT TO SAID CAM PLATE.
Claim 2
Dependent Claim
87 words
A DOOR LOCK COMPRISING A MOUNTING PLATE FOR ATTACHMENT TO A DOOR, A HOLLOW CYLINDRICAL TUBE PASSING THROUGH SAID MOUNTING PLATE AND RIGIDLY ATTACHED THERETO, A HANDLE SHAFT ROTATABLE IN SAID TUBE, A CAM PLATE ROTATABLY MOUNTED ON SAID TUBE, LOCKING MEANS COUPLED TO AND ACTUATED BY SAID CAM PLATE, KEY ACTUATED MEANS FOR HOLDING SAID CAM PLATE AGAINST ROTATION, AND MEANS RELEASEABLE UPON LONGITUDINAL MOVEMENT OF SAID HANDLE SHAFT IN AN INWARD DIRECTION AWAY FROM SAID CAM PLATE COUPLING SAID HANDLE SHAFT TO SAID CAM PLATE.
References Cited (Backward Citations)
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Cited
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US1567811A
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US1922062A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |