US2745319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam milling attachment for milling machines
Assignee: Individual
•
Filing: 1953-01-14
•
Granted: 1956-05-15
•
Expires: 1973-01-14
Abstract
No abstract record available.
Inventors
- 👤 William F Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:11
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q35/103; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/303304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1770498A
Cited
FR536272A
Cited
US1689370A
Cited
US2386973A
Cited
US2507547A
Cited
US2471493A
Cited
US2534231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |