US3371397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tools
Assignee: MARSH BROTHERS AND CO Ltd
•
Filing: 1967-07-13
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Granted: 1968-03-05
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Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald H E Coleshill
- 👤 David B Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:12
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2204; B23C5/2226; B23C5/24; B23C5/2489; B23C2220/00; B23C2220/60; B23C2220/605; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1912; Y10T407/1932; Y10T407/1934; Y10T407/1936; Y10T407/195; Y10T407/22; Y10T407/2222; Y10T407/2244; Y10T407/2246; Y10T407/2252; Y10T407/2256; Y10T407/2258
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |