Patent US3267707A successfully refreshed from Google Patents.
US3267707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder key lock
Assignee: Sargent and Greenleaf Inc
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Filing: 1964-08-27
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Granted: 1966-08-23
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Adams Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:06
CPC Classifications
E; E05; E05B; E05B27/00; E05B17/00; E05B17/14; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7667; Y10T70/7689; Y10T70/7701; Y10T70/778; Y10T70/7791; Y10T70/7802; Y10T70/7915; Y10T70/7932; Y10T70/7955; Y10T70/80; Y10T70/8432; Y10T70/8568; Y10T70/8649
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A CYLINDER LOCK ADAPTED TO BE UNLOCKED BY A KEY COMPRISING A LOCK BODY HAVING A FRONT WALL PORTION AND A CYLINDRICAL BORE EXTENDING ALONG AN AXIS PERPENDICULAR TO SAID FRONT WALL PORTION AND OPENING THERETHROUGH, A CYLINDRICAL PLUG ROTATABLY SEATED IN SAID BORE FOR ROTATION ABOUT THE BORE AXIS HAVING A CYLINDRICAL SURFACE CLOSELY CONFORMING TO AND LOCATED IMMEDIATELY ADJACENT THE BOUNDING SURFACE OF SAID BORE, SAID PLUG HAVING A KEY SLOT THEREIN FOR RECEIVING SAID KEY, ADJACENT PORTIONS OF SAID PLUG AND LOCK BODY HAVING COMPLEMENTAL RECESS PORTIONS THEREIN OPENING THROUGH SAID FRONT WALL PORTION COLLECTIVELY DEFINING AN INTERLOCK RECESS, INTERLOCK PIN MEANS HAVING A HEAD CLOSELY CONFORMING TO THE CONFIGURATION OF SAID INTERLOCK RECESS SUPPORTED FOR AXIAL MOVEMENT IN SAID PLUG ALONG AN AXIS PARALLELING AND ROTATABLY SPACED FROM SAID BORE AXIS FROM A RETRACTED POSITION DISPOSING SAID HEAD IN SAID INTERLOCK RECESS TO A PROJECTED POSITION DISPOSING SAID HEAD WHOLLY FORWARD OF SAID FRONT WALL PORTION FREE OF SAID RECESS, BIASING MEANS CONTINUOUSLY URGING
Claim 2
Dependent Claim
168 words
A CYLINDER LOCK ADAPTED TO BE UNLOCKED BY A KEY COMPRISING A LOCK BODY HAVING A FRONT WALL PORTION AND A CYLINDRICAL BORE EXTENDING ALONG AN AXIS PERPENDICULAR TO SAID FRONT WALL PORTION AND OPENING THERETHROUGH, A CYLINDRICAL PLUG ROTATABLY SEATED IN SAID BORE FOR ROTATION ABOUT THE BORE AXIS HAVING A CYLINDRICAL SURFACE CLOSELY CONFORMING TO AND LOCATED IMMEDIATELY ADJACENT THE BOUNDING SURFACE OF SAID BORE, SAID PLUG HAVING A KEY SLOT THEREIN FOR RECEIVING SAID KEY, ADJACENT PORTIONS OF SAID PLUG AND LOCK BODY HAVING COMPLEMENTAL RECESS PORTIONS THEREIN OPENING THROUGH SAID FRONT WALL PORTION COLLECTIVELY DEFINING AN INTERLOCK RECESS, INTERLOCK PIN MEANS HAVING A HEAD CLOSELY CONFORMING TO THE CONFIGURATION OF SAID INTERLOCK RECESS SUPPORTED FOR AXIAL MOVEMENT IN SAID PLUG ALONG AN AXIS PARALLELING AND ROTATABLY SPACED FROM SAID BORE AXIS FROM A RETRACTED POSITION DISPOSING SAID HEAD IN SAID INTERLOCK RECESS TO A PROJECTED POSITION DISPOSING SAID HEAD WHOLLY FORWARD OF SAID FRONT WALL PORTION FREE OF SAID RECESS, BIASING MEANS CONTINUOUSLY URGING
References Cited (Backward Citations)
US2179947A
Cited
US2491337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |