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US2571395A
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Chamfering tool
Assignee: Individual
•
Filing: 1948-04-07
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Granted: 1951-10-16
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Expires: 1968-04-07
Abstract
No abstract record available.
Inventors
- 👤 Wilber W Vawter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/102; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5583; Y10T408/5584; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/859; Y10T408/8592; Y10T408/8595; Y10T82/00; Y10T82/12; Y10T82/125; Y10T82/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US348412A
Cited
US1547108A
Cited
US2207067A
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US2258097A
Cited
US2314084A
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US2433976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |