Patent US2960949A successfully refreshed from Google Patents.
US2960949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shell press
Assignee: General Electric Co
•
Filing: 1958-09-17
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Granted: 1960-11-22
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Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Austin W Smith
- 👤 John F Schmerheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:09
CPC Classifications
B; B21; B21D; B21D24/00; B21D24/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US250255A
Cited
US487271A
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US787052A
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US1416168A
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US1570199A
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US1519552A
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US2369187A
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US2872887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |