US3173715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Individual
•
Filing: 1961-10-16
•
Granted: 1965-03-16
•
Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 John H Roethel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:29
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; Y; Y10; Y10S; Y10S292/00; Y10S292/26; Y10S292/27; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0929; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1055
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
184 words
IN A LATCH MECHANISM FOR A DOOR MOUNTED FOR SWINGING MOVEMENT ABOUT A HINGE AXIS, A SUPPORT HAVING A MAIN PLATE PORTION FOR DISPOSITION AT THE FREE EDGE WALL OF THE DOOR, A LATCH MEMBER, PIVOTED MEANS MOUNTING SAID LATCH MEMBER ON SAID PLATE PORTION ADJACENT ONE FACE THEREOF FOR BODILY SHIFTABLE MOVEMENT FROM LATCHED TO UNLATCHED POSITION, SAID LATCH MEMBER BEING MOUNTED ON SAID PIVOT MEANS IN SPACED RELATION TO THE PIVOT AXIS THEREOF, SAID PIVOT AXIS BEING FIXED RELATIVE TO SAID MAIN PLATE PORTION, SAID LATCH MEMBER HAVING A KEEPER ENGAGING PORTION WHICH IN LATCHED POSITON STRADDLES A PLANE PASSING THROUGH SAID PIVOT AXIS, SAID PLANE BEING SUBSTANTIALLY NORMAL TO SAND HINGE AXIS, A CONTROL MEMBER POSITIONED ADJACENT THE OTHER FACE OF SAID PLATE PORTION AND COUPLED TO SAID PIVOTED MEANS IN COINCIDENT RELATIONSHIP THERETO AND FOR MOVEMENT THEREWITH ABOUT SAID PIVOT AXIS, OUTER MANUALLY OPERABLE MEANS MOUNTED ON SAID PLATE PORTION FOR PIVOTALLY ACTUATING SAID CONTROL MEMBER TO TURN SAID PIVOTED MEANS AND THEREBY BODILY SHIFT SAID LATCH MEMBER ABOUT SAID PIVOT AXIS FROM LATCHED TO UNLATCHED POSITION, SAID OUTER MANUALLY
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |