US2896330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary checking fixture
Assignee: Individual
•
Filing: 1957-01-23
•
Granted: 1959-07-28
•
Expires: 1977-01-23
Abstract
No abstract record available.
Inventors
- 👤 Daniel R Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:27
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1237001A
Cited
US2324476A
Cited
US2664641A
Cited
US2309142A
Cited
US2406043A
Cited
US2343637A
Cited
GB606073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |