US2641478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw driver
Assignee: Individual
•
Filing: 1947-10-18
•
Granted: 1953-06-09
•
Expires: 1967-10-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Sigg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:19
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/16; B25B15/00; B25B15/02; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17136; Y10T279/17153; Y10T279/17905; Y10T279/17914; Y10T279/17957; Y10T403/00; Y10T403/70; Y10T403/7098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US294663A
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US733342A
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US952570A
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FR486294A
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US1328428A
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GB202043A
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US1648798A
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US1853128A
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US1961246A
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US2089121A
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US2158728A
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US2378775A
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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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |