Patent US2914838A successfully refreshed from Google Patents.
US2914838A
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Milling cutter
Assignee: Firth Brown Tools Ltd
•
Filing: 1955-02-11
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Granted: 1959-12-01
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Expires: 1975-02-11
Abstract
No abstract record available.
Inventors
- 👤 Robinson Herbert Wilfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:45
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2265; B23C5/2269; B23C5/202; B23C2200/00; B23C2200/12; B23C2200/121; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/1952; Y10T407/1956; Y10T407/196
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US604776A
Cited
US1194865A
Cited
US646284A
Cited
US866372A
Cited
US1078193A
Cited
FR463500A
Cited
US1171430A
Cited
GB111914A
Cited
GB119569A
Cited
US1274255A
Cited
US1884158A
Cited
DE649852C
Cited
US2164620A
Cited
US2310826A
Cited
US2374528A
Cited
US2407921A
Cited
US2422111A
Cited
US2665893A
Cited
US2688792A
Cited
US2693020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |