Patent US3172691A successfully refreshed from Google Patents.
US3172691A
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Low friction latch bolt and hinge guide
Assignee: Individual
•
Filing: 1963-02-06
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Granted: 1965-03-09
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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
2026-11-01 13:03
CPC Classifications
E; E05; E05B; E05B15/00; E05B15/10; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A LATCH ASSEMBLY FOR A LOCK, A CASING, A LATCH BOLT RECIPROCATABLY MOUNTED IN SAID CASING, A LOW FRICTION GUIDE FOR SAID LATCH BOLT COMPRISING A MEMBER OF LOW FRICITON MATERIAL HAVING ONE PORTION THEREOF RETAINED BY SAID CASING, ANOTHER PORTION THEREOF IN SLIDING ENGAGEMENT WITH SAID LATCH BOLT AND A BRACKET PORTION THEREOF ON THE SIDE OF SAID MEMBER FACING SAID CASING, AND A LATCH BOLT RETRACTOR LEVER PIVOTALLY MOUNTED ON SAID BRACKET PORTION AND ADAPTED TO RECIPROCATE SAID LATCH BOLT IN SAID CASING.
Claim 2
Dependent Claim
86 words
IN A LATCH ASSEMBLY FOR A LOCK, A CASING, A LATCH BOLT RECIPROCATABLY MOUNTED IN SAID CASING, A LOW FRICTION GUIDE FOR SAID LATCH BOLT COMPRISING A MEMBER OF LOW FRICITON MATERIAL HAVING ONE PORTION THEREOF RETAINED BY SAID CASING, ANOTHER PORTION THEREOF IN SLIDING ENGAGEMENT WITH SAID LATCH BOLT AND A BRACKET PORTION THEREOF ON THE SIDE OF SAID MEMBER FACING SAID CASING, AND A LATCH BOLT RETRACTOR LEVER PIVOTALLY MOUNTED ON SAID BRACKET PORTION AND ADAPTED TO RECIPROCATE SAID LATCH BOLT IN SAID CASING.
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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |