Patent US2899738A successfully refreshed from Google Patents.
US2899738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: —
•
Filing: —
•
Granted: 1959-08-18
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Expires: 1976-08-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:10
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1685; B23B27/1688; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T407/2252; Y10T407/2254; Y10T407/2264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1090205A
Cited
US1970016A
Cited
US2370273A
Cited
US2537274A
Cited
US2649647A
Cited
US2751663A
Cited
US2687563A
Cited
US2683302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |