US3141693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch
Assignee: Potter Instrument Co Inc
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Filing: 1962-12-20
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Granted: 1964-07-21
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Guy S Fugit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:24
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/14; E05C1/145; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0994
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A LATCH ASSEMBLY, THE COMBINATION COMPRISING, A HOUSING HAVING WALLS DEFINING A RECESS, A LATCH BOLT INCLUDING AN ELONGATED SHANK PORTION GUIDE MEANS IN THE HOUSING ARRANGD TO ENGAGE SAID SHANK PORTION FOR LONGITUDINAL MOVEMENT WITHIN SAID HOUSING RECESS, ACTUATING MEANS OPERATIVELY CONNECTED TO SAID SHANK PORTION TO EFFECT SAID LONGITUDINAL MOVEMENT, PORTIONS OF SAID ACTUATING MEANS BEING DESIGNED TO BE CO-PLANAR WITH SURFACES OF SAID HOUSING WHEN THE LATCH ASSEMBLY IS IN ITS NORMAL CLOSED POSITION, AND
Claim 2
Dependent Claim
79 words
IN A LATCH ASSEMBLY, THE COMBINATION COMPRISING, A HOUSING HAVING WALLS DEFINING A RECESS, A LATCH BOLT INCLUDING AN ELONGATED SHANK PORTION GUIDE MEANS IN THE HOUSING ARRANGD TO ENGAGE SAID SHANK PORTION FOR LONGITUDINAL MOVEMENT WITHIN SAID HOUSING RECESS, ACTUATING MEANS OPERATIVELY CONNECTED TO SAID SHANK PORTION TO EFFECT SAID LONGITUDINAL MOVEMENT, PORTIONS OF SAID ACTUATING MEANS BEING DESIGNED TO BE CO-PLANAR WITH SURFACES OF SAID HOUSING WHEN THE LATCH ASSEMBLY IS IN ITS NORMAL CLOSED POSITION, AND
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |