Patent US3136572A successfully refreshed from Google Patents.
US3136572A
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Door lock and latch mechanism
Assignee: JAYBEE Manufacturing CORP
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Filing: 1961-12-01
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Granted: 1964-06-09
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Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:55
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0986; Y10T292/0989; Y10T292/099; Y10T292/57; Y10T292/91; Y10T292/96; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/542; Y10T70/5451; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541; Y10T70/8919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A LOCK STRUCTURE: A LOCK HOUSING; A LATCH RETRACTOR GUIDED BY THE HOUSING FOR LIMITED MOVEMENT IN A PATH FIXED WITH RESPECT TO THE HOUSING; SPRING MEANS URGING THE LATCH RETRACTOR TOWARD ONE END OF ITS PATH; A BEARING POST SUPPORTED BY THE HOUSING AND HAVING ENDS PROJECTING BEYOND OPPOSITE ENDS OF THE HOUSING; AN INSIDE SPINDLE FITTING OVER ONE END OF THE BEARING POST AND SUPPORTED FOR ANGULAR MOVEMENT THEREBY ABOUT THE COMMON AXIS OF THE INSIDE SPINDLE AND THE POST, SAID INSIDE SPINDLE BEING SUPPORTED BY SAID BEARING POST AT AXIALLY SPACED PARTS THEREOF; AN OUTSIDE SPINDLE FITTING OVER THE OTHER END OF THE BEARING POST AND SUPPORTED FOR ANGULAR MOVEMENT THEREBY ABOUT THE COMMON AXIS OF THE OUTSIDE SPINDLE AND THE BEARING POST, SAID OUTSIDE SPINDLE BEING SUPPORTED BY SAID BEARING
Claim 2
Dependent Claim
135 words
IN A LOCK STRUCTURE: A LOCK HOUSING; A LATCH RETRACTOR GUIDED BY THE HOUSING FOR LIMITED MOVEMENT IN A PATH FIXED WITH RESPECT TO THE HOUSING; SPRING MEANS URGING THE LATCH RETRACTOR TOWARD ONE END OF ITS PATH; A BEARING POST SUPPORTED BY THE HOUSING AND HAVING ENDS PROJECTING BEYOND OPPOSITE ENDS OF THE HOUSING; AN INSIDE SPINDLE FITTING OVER ONE END OF THE BEARING POST AND SUPPORTED FOR ANGULAR MOVEMENT THEREBY ABOUT THE COMMON AXIS OF THE INSIDE SPINDLE AND THE POST, SAID INSIDE SPINDLE BEING SUPPORTED BY SAID BEARING POST AT AXIALLY SPACED PARTS THEREOF; AN OUTSIDE SPINDLE FITTING OVER THE OTHER END OF THE BEARING POST AND SUPPORTED FOR ANGULAR MOVEMENT THEREBY ABOUT THE COMMON AXIS OF THE OUTSIDE SPINDLE AND THE BEARING POST, SAID OUTSIDE SPINDLE BEING SUPPORTED BY SAID BEARING
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |