Patent US3197247A successfully refreshed from Google Patents.
US3197247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low friction latch bolt guide
Assignee: Individual
•
Filing: 1963-02-06
•
Granted: 1965-07-27
•
Expires: 1983-02-06
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:54
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/007; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/62; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8486; Y10T70/8919
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
IN A LATCH ASSEMBLY, A CASING, A LATCH BOLT RECIPROCATABLY MOUNTED IN SAID CASING, A FRONT PLATE AND MEANS ATTACHING SAID FRONT PLATE TO THE CASING IN POSITION OVERLYING THE OUTER END OF THE CASING, SAID FRONT PLATE HAVING AN OPENING THEREIN FOR SAID LATCH BOLT, AND A GUIDE OF LOW FRICTION MATERIAL HELD IN POSITION AGAINST THE INSIDE FACE OF SAID FRONT PLATE, SAID GUIDE HAVING AN OPENING THEREIN SMALLER THAN THE OPENING IN SAID FRONT PLATE.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |