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Patent US3126218A successfully refreshed from Google Patents.
US3126218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:45
CPC Classifications
E; E05; E05B; E05B41/00; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0997; Y10T292/1014; Y10T292/1022; Y10T292/1024; Y10T70/00; Y10T70/80; Y10T70/8027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
THE DOOR LATCH MECHANISM OF THE CHARACTER DESCRIBED COMPRISING A HOUSING, A BOLT MOUNTING FRAME RETAINED IN FIXED POSITION BETWEEN OPPOSITE SIDEWALLS OF SAID HOUSING, A BOLT SLIDABLY MOUNTED IN FRAME BETWEEN OPPOSITE SIDEWALLS OF SAID HOUSING FOR ENDWISE SHIFTING BETWEEN LOCKING AND UNLOCKING POSITIONS, A SPRING MOUNTING BLOCK SECURED TO SAID BOLT ON ONE SIDE THEREOF, SAID BOLT AND MOUNTING BLOCK HAVING ALIGNED HOLES FORMED THERETHROUGH, SAID HOUSING HAVING A SLOT FORMED IN A SIDEWALL THEREOF WITH WHICH SAID BOLT OPENING REGISTERS IN THE ENDWISE MOVEMENT OF THE BOLT, A BOLT ACTUATING KNOB HAVING A MOUNTING SHANK, A CHANNEL FORMED IN SAID SHANK, SAID MOUNTING BLOCK HAVING LONGITUDINAL CHANNELS FORMED IN OPPOSITE SIDES THEREOF, SAID CHANNELS INTERSECTING SAID HOLE IN SAID MOUNTING BLOCK, A U-SHAPED SPRING CLIP MOVABLY MOUNTED ON SAID MOUNTING BLOCK WITH THE LEGS THEREOF POSITIONED IN SAID LONGITUDINAL CHANNEL WHEREBY THE LEG PORTIONS OF SAID CLIP INTERSECTING SAID HOLE IN THE MOUNTING BLOCK ARE REMOVABLY SEATABLE IN THE CHANNEL FORMED IN SAID MOUNTING SHANK.
Claim 2
Dependent Claim
168 words
THE DOOR LATCH MECHANISM OF THE CHARACTER DESCRIBED COMPRISING A HOUSING, A BOLT MOUNTING FRAME RETAINED IN FIXED POSITION BETWEEN OPPOSITE SIDEWALLS OF SAID HOUSING, A BOLT SLIDABLY MOUNTED IN FRAME BETWEEN OPPOSITE SIDEWALLS OF SAID HOUSING FOR ENDWISE SHIFTING BETWEEN LOCKING AND UNLOCKING POSITIONS, A SPRING MOUNTING BLOCK SECURED TO SAID BOLT ON ONE SIDE THEREOF, SAID BOLT AND MOUNTING BLOCK HAVING ALIGNED HOLES FORMED THERETHROUGH, SAID HOUSING HAVING A SLOT FORMED IN A SIDEWALL THEREOF WITH WHICH SAID BOLT OPENING REGISTERS IN THE ENDWISE MOVEMENT OF THE BOLT, A BOLT ACTUATING KNOB HAVING A MOUNTING SHANK, A CHANNEL FORMED IN SAID SHANK, SAID MOUNTING BLOCK HAVING LONGITUDINAL CHANNELS FORMED IN OPPOSITE SIDES THEREOF, SAID CHANNELS INTERSECTING SAID HOLE IN SAID MOUNTING BLOCK, A U-SHAPED SPRING CLIP MOVABLY MOUNTED ON SAID MOUNTING BLOCK WITH THE LEGS THEREOF POSITIONED IN SAID LONGITUDINAL CHANNEL WHEREBY THE LEG PORTIONS OF SAID CLIP INTERSECTING SAID HOLE IN THE MOUNTING BLOCK ARE REMOVABLY SEATABLE IN THE CHANNEL FORMED IN SAID MOUNTING SHANK.
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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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |