Patent US2504418A successfully refreshed from Google Patents.
US2504418A
Expired / Lapsed
US
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Adjustable spanner wrench
Assignee: Reconstruction Finance Corp
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Filing: 1946-04-30
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Granted: 1950-04-18
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Expires: 1966-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Arch Hotchkiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:37
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/10; B25B13/28; B25B13/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US461032A
Cited
US813892A
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US927970A
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US1198243A
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US1483497A
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US1504847A
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US1845400A
Cited
US1910268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |