US2954540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush block
Assignee: General Precision Inc
•
Filing: 1957-12-12
•
Granted: 1960-09-27
•
Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Wesley E Stupar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:50
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1127088A
Cited
US1702234A
Cited
US1648797A
Cited
US2127675A
Cited
US2385915A
Cited
US2444599A
Cited
US2547022A
Cited
US2547176A
Cited
US2716268A
Cited
US2757443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |