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US2893272A
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Assignee: BUCKEYE TOOLS Corp
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Filing: 1957-03-18
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Granted: 1959-07-07
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Expires: 1977-03-18
Abstract
No abstract record available.
Inventors
- 👤 Linsker Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:42
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/32; B23Q5/326; B23Q5/34; B23Q5/38; B23Q5/46; B23Q5/48; Y; Y10; Y10T; Y10T74/00; Y10T74/17; Y10T74/173
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US728276A
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US2178915A
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US2416339A
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US2590629A
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US2618180A
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US2784616A
Cited
US2791922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |