US3123390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:08
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; E05B85/28; Y; Y10; Y10S; Y10S292/00; Y10S292/27; Y10S292/41; Y10T; Y10T292/00; Y10T292/306; Y10T292/308
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A DOOR LATCH, COMPRISING, LATCHING MEANS MOVABLE BETWEEN LATCHED AND UNLATCHED POSITIONS, DETENT MEANS MOVABLE IN ONE DIRECTION INTO ENGAGEMENT WITH SAID LATCHING MEANS TO BLOCK MOVEMENT THEREOF TOWARD UNLATCHED POSITION, MOVEMENT OF SAID LATCHING MEANS TOWARD LATCHED POSITION MOVING SAID DETENT MEANS IN THE OTHER DIRECTION, AN INTERMITTEN MEMBER COUPLED TO SAID DETENT MEANS AND BEING MOVABLE BETWEEN FIRST AND SECOND POSITIONS, FULCRUM MEANS, SAID INTERMITTENT MEMBER BEING POSITIONED OUT OF ENGAGEMENT WITH SAID FULCRUM MEANS WHEN SAID INTERMITTEN MEMBER IS IN SAID FIRST POSITION AND BEING ENGAGEABLE THEREWITH WHEN SAID INTERMITTENT MEMBER IS IN SAID SECOND POSITION, MOVEMENT OF SAID DETENT MEANS IN SAID OTHER DIRECTION MOVING SAID INTERMITTENT MEMBER ABOUT SAID FULCRUM MEANS FROM SAID SECOND POSITION THEREOF TO SAID FIRST POSITION THEREOF.
Claim 2
Dependent Claim
126 words
A DOOR LATCH, COMPRISING, LATCHING MEANS MOVABLE BETWEEN LATCHED AND UNLATCHED POSITIONS, DETENT MEANS MOVABLE IN ONE DIRECTION INTO ENGAGEMENT WITH SAID LATCHING MEANS TO BLOCK MOVEMENT THEREOF TOWARD UNLATCHED POSITION, MOVEMENT OF SAID LATCHING MEANS TOWARD LATCHED POSITION MOVING SAID DETENT MEANS IN THE OTHER DIRECTION, AN INTERMITTEN MEMBER COUPLED TO SAID DETENT MEANS AND BEING MOVABLE BETWEEN FIRST AND SECOND POSITIONS, FULCRUM MEANS, SAID INTERMITTENT MEMBER BEING POSITIONED OUT OF ENGAGEMENT WITH SAID FULCRUM MEANS WHEN SAID INTERMITTEN MEMBER IS IN SAID FIRST POSITION AND BEING ENGAGEABLE THEREWITH WHEN SAID INTERMITTENT MEMBER IS IN SAID SECOND POSITION, MOVEMENT OF SAID DETENT MEANS IN SAID OTHER DIRECTION MOVING SAID INTERMITTENT MEMBER ABOUT SAID FULCRUM MEANS FROM SAID SECOND POSITION THEREOF TO SAID FIRST POSITION THEREOF.
References Cited (Backward Citations)
US2923568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |