Patent US3381990A successfully refreshed from Google Patents.
US3381990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure night-latch
Assignee: Sash Controls Inc
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Filing: 1966-08-30
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Granted: 1968-05-07
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Expires: 1986-08-30
Abstract
No abstract record available.
Inventors
- 👤 Fred W Kreger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:58
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T292/0869; Y10T292/0886; Y10T292/0887; Y10T292/0891; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN CLOSURE CONSTRUCTION OF THE TYPE HAVING A CLOSURE PANEL SLIDABLY DISPOSED IN A JAMB POSITIONED IN AN ENCLOSURE OPENING FOR MOVEMENT FROM AN OPEN TO A CLOSED POSITION, THE IMPROVEMENT WHICH COMPRISES LATCH MEANS CARRIED BY SAID CLOSURE AND PIVOTED ABOUT AN AXIS, A KEEPER ON SAID JAMB AND ADAPTED TO RECEIVE SAID LATCH MEANS, COOPERABLE SHOULDER MEANS ON SAID LATCH MEANS AND SAID KEEPER ADAPTED TO HOLD SAID CLOSURE IN A CLOSED POSITION WHEN SAID LATCH IS PIVOTALLY MOVED TO A FIRST PIVOTED POSITION, SAID LATCH MEANS BEING PIVOTALLY MOVABLE TO A SECOND PIVOTED POSITION TO MOVE SAID SHOULDER MEANS OUT OF COOPERABLE RELATION AND PERMIT SAID CLOSURE TO BE OPENED, COOPERABLE DETENT MEANS ON SAID LATCH MEANS AND KEEPER FOR PREVENTING PIVOTAL MOVEMENT OF SAID LATCH MEANS OUT
Claim 2
Dependent Claim
131 words
IN CLOSURE CONSTRUCTION OF THE TYPE HAVING A CLOSURE PANEL SLIDABLY DISPOSED IN A JAMB POSITIONED IN AN ENCLOSURE OPENING FOR MOVEMENT FROM AN OPEN TO A CLOSED POSITION, THE IMPROVEMENT WHICH COMPRISES LATCH MEANS CARRIED BY SAID CLOSURE AND PIVOTED ABOUT AN AXIS, A KEEPER ON SAID JAMB AND ADAPTED TO RECEIVE SAID LATCH MEANS, COOPERABLE SHOULDER MEANS ON SAID LATCH MEANS AND SAID KEEPER ADAPTED TO HOLD SAID CLOSURE IN A CLOSED POSITION WHEN SAID LATCH IS PIVOTALLY MOVED TO A FIRST PIVOTED POSITION, SAID LATCH MEANS BEING PIVOTALLY MOVABLE TO A SECOND PIVOTED POSITION TO MOVE SAID SHOULDER MEANS OUT OF COOPERABLE RELATION AND PERMIT SAID CLOSURE TO BE OPENED, COOPERABLE DETENT MEANS ON SAID LATCH MEANS AND KEEPER FOR PREVENTING PIVOTAL MOVEMENT OF SAID LATCH MEANS OUT
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |