US2952949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: Bryant Grinder Corp
•
Filing: 1956-04-16
•
Granted: 1960-09-20
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Maker Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:31
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/02; B24B5/06; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B24B41/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1840741A
Cited
US2373798A
Cited
US2343811A
Cited
US2457743A
Cited
US2580989A
Cited
US2583363A
Cited
US2683335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |