US3179459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch
Assignee: AVIA MARINE CO Inc
•
Filing: 1961-08-21
•
Granted: 1965-04-20
•
Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Robert S Lint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:21
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0989; Y10T292/099; Y10T292/82; Y10T292/88; Y10T292/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A DOOR LATCH, AN ESCUTCHEON HAVING A CENTRAL THROUGH OPENING, A KNOB HAVING A BACK WALL SEATED AGAINST SAID ESCUTCHEON AND BEING NECKED BEHIND SAID BACK WALL TO PROVIDE A BOSS JOURNALED TO RETURN WITHIN SAID CENTRAL OPENING, KEEPER MEANS FOR RETAINING SAID BOSS IN SAID OPENING SAID ESCUTCHEON AND BACK WALL HAVING SCREW AND
Claim 2
Dependent Claim
55 words
A DOOR LATCH, AN ESCUTCHEON HAVING A CENTRAL THROUGH OPENING, A KNOB HAVING A BACK WALL SEATED AGAINST SAID ESCUTCHEON AND BEING NECKED BEHIND SAID BACK WALL TO PROVIDE A BOSS JOURNALED TO RETURN WITHIN SAID CENTRAL OPENING, KEEPER MEANS FOR RETAINING SAID BOSS IN SAID OPENING SAID ESCUTCHEON AND BACK WALL HAVING SCREW AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |