Patent US2687162A successfully refreshed from Google Patents.
US2687162A
Expired / Lapsed
US
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Metal bending tool
Assignee: AO Smith Corp
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Filing: 1950-06-29
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Granted: 1954-08-24
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Expires: 1970-06-29
Abstract
No abstract record available.
Inventors
- 👤 George M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:18
CPC Classifications
B; B21; B21D; B21D19/00; B21D19/08; B21D5/00; B21D5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US536437A
Cited
US1030259A
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US1556166A
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US2016981A
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US1953842A
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US2301643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |