US2629974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Router bit grinder
Assignee: WESEL Manufacturing CO
•
Filing: 1948-07-30
•
Granted: 1953-03-03
•
Expires: 1968-07-30
Abstract
No abstract record available.
Inventors
- 👤 Daniel C Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:34
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/02; B24B3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1402473A
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US1928538A
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DE635664C
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US2212855A
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US2247412A
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US2284319A
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US2330566A
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US2406134A
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US2391317A
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US2414377A
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US2400826A
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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) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |