US2637576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic latch for two relatively movable members
Assignee: PHILLIPS TUTCH LATCH CO
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Filing: 1949-07-25
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Granted: 1953-05-05
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Expires: 1969-07-25
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Nottingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:52
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/02; E05C19/022; Y; Y10; Y10S; Y10S292/00; Y10S292/04; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45675; Y10T292/00; Y10T292/08; Y10T292/087; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0945; Y10T292/0948; Y10T292/1043; Y10T292/1075; Y10T292/1078
Claims Analysis
Total Claims: 0
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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) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |