Patent US3304661A successfully refreshed from Google Patents.
US3304661A
Expired / Lapsed
US
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Work machines with tools in planetary and axial movement
Assignee: Individual
•
Filing: 1964-09-10
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Granted: 1967-02-21
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Expires: 1984-09-10
Abstract
No abstract record available.
Inventors
- 👤 Helen T Maguire
- 👤 Pierson Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:57
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/003; B23; B23D; B23D21/00; B23D21/04; B23D45/00; B23D45/12; B23D45/126; B23D47/00; B23D47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US653703A
Cited
US961969A
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US1217417A
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US2009452A
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US1956068A
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US2165118A
Cited
US2693066A
Cited
US3149440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |