US3087324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination dead lock and spring latch
Assignee: Individual
•
Filing: 1960-08-08
•
Granted: 1963-04-30
•
Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Carl A Hillgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:54
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T292/00; Y10T292/96; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5407; Y10T70/542; Y10T70/5442; Y10T70/5447; Y10T70/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
IN A DOOR LOCK COMPRISING A SPINDLE HOUSING HAVING A LONGITUDINAL RECESS AT ONE SIDE, A LATCH BOLT AND A LATCH BOLT CASING THEREFOR IN ENGAGEMENT WITH THE HOUSING IN SAID RECESS, AND A LATCH BOLT ACTUATOR IN THE CASING EXTENDING INTO SAID HOUSING, AN INSIDE KNOB AND AN INSIDE SPINDLE THEREON EXTENDING INTO SAID HOUSING TO A POSITION OF ENGAGEMENT WITH SAID ACTUATOR, AN OUTSIDE KNOB AND AN OUTSIDE SPINDLE THEREON EXTENDING INTO THE HOUSING TO A POSITION OF ENGAGEMENT WITH SAID ACTUATOR, A LOCKING SLIDE HAVING A TRANSVERSELY MOVABLE RECIPROCATABLE MOUNTING IN SAID HOUSING AND A LOCKING ELEMENT ON THE SLIDE, A COMPLEMENTARY LOCKING ELEMENT ON THE OUTSIDE SPINDLE AND RESILIENT MEANS NORMALLY URGING SAID SLIDE INTO A LOCKING ENGAGEMENT WITH THE OUTSIDE SPINDLE, A SHAFT RECIPROCATABLY MOUNTED IN THE INSIDE SPINDLE AND THE KNOB THEREON, MEANS ON SAID SHAFT ADJACENT THE SLIDE HAVING AN ENGAGEMENT WITH A PORTION OF THE SLIDE IN A FIRST AXIAL POSITION OF THE SHAFT WHEREBY TO WITHHOLD SAID SLIDE IN A POSITION OF DISENGAGEMENT WITH SAID OUTSIDE SPINDLE, A SECOND MEANS ON SAID SHAFT HAVING AN ENGAGEMENT WITH THE SLIDE WHEN SAID SHAFT IS MOVED TO A SECOND AXIAL POSITION OF THE SHAFT WHEREBY TO ENABLE MOVEMENT OF
Claim 2
Dependent Claim
206 words
IN A DOOR LOCK COMPRISING A SPINDLE HOUSING HAVING A LONGITUDINAL RECESS AT ONE SIDE, A LATCH BOLT AND A LATCH BOLT CASING THEREFOR IN ENGAGEMENT WITH THE HOUSING IN SAID RECESS, AND A LATCH BOLT ACTUATOR IN THE CASING EXTENDING INTO SAID HOUSING, AN INSIDE KNOB AND AN INSIDE SPINDLE THEREON EXTENDING INTO SAID HOUSING TO A POSITION OF ENGAGEMENT WITH SAID ACTUATOR, AN OUTSIDE KNOB AND AN OUTSIDE SPINDLE THEREON EXTENDING INTO THE HOUSING TO A POSITION OF ENGAGEMENT WITH SAID ACTUATOR, A LOCKING SLIDE HAVING A TRANSVERSELY MOVABLE RECIPROCATABLE MOUNTING IN SAID HOUSING AND A LOCKING ELEMENT ON THE SLIDE, A COMPLEMENTARY LOCKING ELEMENT ON THE OUTSIDE SPINDLE AND RESILIENT MEANS NORMALLY URGING SAID SLIDE INTO A LOCKING ENGAGEMENT WITH THE OUTSIDE SPINDLE, A SHAFT RECIPROCATABLY MOUNTED IN THE INSIDE SPINDLE AND THE KNOB THEREON, MEANS ON SAID SHAFT ADJACENT THE SLIDE HAVING AN ENGAGEMENT WITH A PORTION OF THE SLIDE IN A FIRST AXIAL POSITION OF THE SHAFT WHEREBY TO WITHHOLD SAID SLIDE IN A POSITION OF DISENGAGEMENT WITH SAID OUTSIDE SPINDLE, A SECOND MEANS ON SAID SHAFT HAVING AN ENGAGEMENT WITH THE SLIDE WHEN SAID SHAFT IS MOVED TO A SECOND AXIAL POSITION OF THE SHAFT WHEREBY TO ENABLE MOVEMENT OF
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |