US3290079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock and keeper
Assignee: Individual
•
Filing: 1965-03-22
•
Granted: 1966-12-06
•
Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Mckenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:00
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/12; E05B63/126; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0993; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5177
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A DOOR LOCK AND KEEPER COMPRISING IN COMBINATION A CONTAINING CHAMBER ADAPTED TO BE INSERTED IN THE EDGE OF A DOOR, A SPRING LOADED BOLT SLIDABLE IN THE CHAMBER AND ADAPTED TO EXTEND AND RETRACT FROM ONE END THEREOF, A BOLT DRAW BAR HAVING OPPOSITE ENDS MOUNTED FOR LONGITUDINAL SLIDING MOVEMENT IN SAID CHAMBER AND BEING OPERATIVELY CONNECTED ADJACENT ONE END THEREOF TO SAID BOLT, A RACK SECURED TO THE OTHER END OF SAID BOLT DRAW BAR, A PINION JOURNALLED FOR ROTATION WITHIN SAID CHAMBER AND ENGAGING SAID RACK, HANDLE MEANS MOUNTED AT RIGHT ANGLES TO SAID CHAMBER AND EXTERNAL THEREOF, A SPINDLE SECURED TO SAID PINION AND EXTENDING THROUGH SAID CHAMBER TO MOUNT SAID HANDLE, MEANS IN SAID CHAMBER COOPERATING BETWEEN SAID BOLT AND DRAW BAR FOR MAINTAINING SAID BOLT IN EITHER THE EXTENDED OR RETRACTED POSITION, A DEAD LOCK CROSS BAR, SAID BOLT HAVING A TRANSVERSE BORE IN WHICH
Claim 2
Dependent Claim
151 words
A DOOR LOCK AND KEEPER COMPRISING IN COMBINATION A CONTAINING CHAMBER ADAPTED TO BE INSERTED IN THE EDGE OF A DOOR, A SPRING LOADED BOLT SLIDABLE IN THE CHAMBER AND ADAPTED TO EXTEND AND RETRACT FROM ONE END THEREOF, A BOLT DRAW BAR HAVING OPPOSITE ENDS MOUNTED FOR LONGITUDINAL SLIDING MOVEMENT IN SAID CHAMBER AND BEING OPERATIVELY CONNECTED ADJACENT ONE END THEREOF TO SAID BOLT, A RACK SECURED TO THE OTHER END OF SAID BOLT DRAW BAR, A PINION JOURNALLED FOR ROTATION WITHIN SAID CHAMBER AND ENGAGING SAID RACK, HANDLE MEANS MOUNTED AT RIGHT ANGLES TO SAID CHAMBER AND EXTERNAL THEREOF, A SPINDLE SECURED TO SAID PINION AND EXTENDING THROUGH SAID CHAMBER TO MOUNT SAID HANDLE, MEANS IN SAID CHAMBER COOPERATING BETWEEN SAID BOLT AND DRAW BAR FOR MAINTAINING SAID BOLT IN EITHER THE EXTENDED OR RETRACTED POSITION, A DEAD LOCK CROSS BAR, SAID BOLT HAVING A TRANSVERSE BORE IN WHICH
References Cited (Backward Citations)
US1758203A
Cited
US2181762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |