US2953794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forging pre-warmed metal stock within relatively low temperature limits
Assignee: Individual
•
Filing: 1956-09-21
•
Granted: 1960-09-27
•
Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Paul W Klooz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:39
CPC Classifications
C; C21; C21D; C21D7/00; B; B21; B21J; B21J1/00; B21J1/06; B21J5/00; B21J5/06; B21J5/08; B21K; B21K1/00; B21K1/44; B21K1/46; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/32; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE249013C
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US1333081A
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US2172533A
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US1341626A
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US1671484A
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US2276521A
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US2288643A
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US2621344A
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US2788301A
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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 |