Patent US2608428A successfully refreshed from Google Patents.
US2608428A
Expired / Lapsed
US
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Latch mechanism
Assignee: RUDOLPH I SCHONITZER
•
Filing: 1948-09-14
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Granted: 1952-08-26
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Expires: 1968-09-14
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:07
CPC Classifications
E; E05; E05B; E05B83/00; E05B83/16; Y; Y10; Y10S; Y10S292/00; Y10S292/27; Y10S292/37; Y10S292/43; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US1601647A
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DE632624C
Cited
AT153641B
Cited
US2094413A
Cited
US2259766A
Cited
US2359150A
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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) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |