Patent US2634775A successfully refreshed from Google Patents.
US2634775A
Expired / Lapsed
US
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Chisel type blade for carving tools
Assignee: UNSINGER AP Corp
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Filing: 1947-07-05
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Granted: 1953-04-14
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Expires: 1967-07-05
Abstract
No abstract record available.
Inventors
- 👤 Philip H Unsinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:46
CPC Classifications
B; B25; B25D; B25D3/00; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17291; Y10T279/17299
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US622161A
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US207620A
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US715374A
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US759005A
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US831945A
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US1826567A
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US2010590A
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US2026078A
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US2041806A
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GB490152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |