US2439057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door or drawer latch
Assignee: WEISER Co
•
Filing: 1947-01-21
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Granted: 1948-04-06
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Expires: 1967-01-21
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:35
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/02; E05C19/04; E05B; E05B15/00; E05B15/04; E05B2015/0403; E05B2015/0424; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878; Y10T292/0879; Y10T292/096; Y10T292/1006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426905A
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US551110A
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US635339A
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US793519A
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GB190706570A
Cited
US1038111A
Cited
US1339178A
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GB161833A
Cited
GB202410A
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US1589202A
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US2108965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-06 | 1951-10-06 | 1952-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-06 | 1955-10-06 | 1956-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-06 | 1959-10-06 | 1960-04-06 | $7700.00 | Window Closed / Lapsed |