Patent US3496973A successfully refreshed from Google Patents.
US3496973A
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US
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Cutting tool edge construction
Assignee: DISSTON COMPANY 1030 W MARKET ST GREENSBORO NC 27401 A CORP OF
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Filing: 1967-04-12
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Granted: 1970-02-24
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Expires: 1987-04-12
Abstract
No abstract record available.
Inventors
- 👤 Robert L Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:38
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/0006; B23; B23D; B23D61/00; B23D61/02; B23D61/025; B23D61/026; B23P; B23P15/00; B23P15/28; B26B; B26B21/00; B26B21/54; B26B21/58; B26D2001/002; B26D2001/0053; B26D2001/0066; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9319
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |