Patent US3523349A successfully refreshed from Google Patents.
US3523349A
Expired / Lapsed
US
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Cutting tool assembly
Assignee: Individual
•
Filing: 1968-03-04
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Granted: 1970-08-11
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Expires: 1988-03-04
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Pollington
- 👤 Leslie W Pollington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:23
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23D; B23D13/00; B23B2205/00; B23B2205/02; Y; Y10; Y10T; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/22; Y10T407/2202; Y10T407/2204; Y10T407/2272; Y10T407/2282; Y10T407/2286; Y10T407/2288; Y10T407/25
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |