Patent US2551167A successfully refreshed from Google Patents.
US2551167A
Expired / Lapsed
US
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Cutting tool
Assignee: Individual
•
Filing: 1947-05-03
•
Granted: 1951-05-01
•
Expires: 1967-05-03
Abstract
No abstract record available.
Inventors
- 👤 Rolland Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:45
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/10; B23B27/12; Y; Y10; Y10T; Y10T407/00; Y10T407/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US543551A
Cited
GB191316893A
Cited
US1516269A
Cited
US1535028A
Cited
US1954511A
Cited
US2054311A
Cited
FR781481A
Cited
FR805981A
Cited
US2127523A
Cited
US2233724A
Cited
US2237744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |