US3038646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: U S TOOL Co Inc
•
Filing: 1961-03-21
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Granted: 1962-06-12
•
Expires: 1981-03-21
Abstract
No abstract record available.
Inventors
- 👤 Grimm Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:44
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/11; B23; B23Q; B23Q7/00; B23Q7/04; B23Q7/041; B23Q7/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1167778A
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US1652254A
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US2286516A
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US2578960A
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US2641046A
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US2657046A
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US2758679A
Cited
US2720261A
Cited
US2781177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |