US3413890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and a device for machining blanks
Assignee: Nydqvist and Holm AB
•
Filing: 1966-02-09
•
Granted: 1968-12-03
•
Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Wingquist Sten Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:35
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/16; B23C3/18; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303024
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1825455A
Cited
US1933798A
Cited
US2111271A
Cited
US2151743A
Cited
US2166859A
Cited
US2303529A
Cited
GB635963A
Cited
US2397108A
Cited
US2597180A
Cited
US2964885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |