US2914981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mica press ram with hydraulically operated punch and stripper means
Assignee: GTE Sylvania Inc
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Filing: 1957-06-05
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Granted: 1959-12-01
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Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Henry W Roeber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:55
CPC Classifications
B; B21; B21D; B21D45/00; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/869; Y10T83/8821; Y10T83/8858
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB116236A
Cited
US2118648A
Cited
US2215643A
Cited
US2364011A
Cited
US2699830A
Cited
US2642138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |