US2480618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holder for grinding profiles
Assignee: Individual
•
Filing: 1946-06-27
•
Granted: 1949-08-30
•
Expires: 1966-06-27
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Tresidder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:54
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B24; B24B; B24B41/00; B24B41/06; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/308792; Y10T409/309016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US767387A
Cited
US1414970A
Cited
DE344811C
Cited
US1783540A
Cited
US2048462A
Cited
US2286709A
Cited
US2214166A
Cited
US2394202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |