Patent FR1125043A successfully refreshed from Google Patents.
US2631877A
Expired / Lapsed
US
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Lockable slide bolt assembly for doors and the like
Assignee: Individual
•
Filing: 1950-07-28
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Granted: 1953-03-17
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Expires: 1970-07-28
Abstract
No abstract record available.
Inventors
- 👤 Ainsworth Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:07
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/02; E05C1/04; E05B; E05B17/00; E05B17/20; E05B17/2007; E05B17/2069; E05B17/2073; E05B17/2076; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T292/0886; Y10T292/0887; Y10T292/0891; Y10T292/28; Y10T292/283; Y10T292/285; Y10T292/286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US777135A
Cited
US994789A
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US1083455A
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US1262809A
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US1326554A
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US1508029A
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US1654913A
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US2554962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |