Patent US2962808A successfully refreshed from Google Patents.
US2962808A
Expired / Lapsed
US
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Process for use in hot working metals
Assignee: Individual
•
Filing: 1956-03-21
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Granted: 1960-12-06
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Expires: 1976-03-21
Abstract
No abstract record available.
Inventors
- 👤 Norman W Cole
- 👤 Lloyd M Forster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:49
CPC Classifications
B; B21; B21J; B21J5/00; B21J3/00; C; C21; C21D; C21D1/00; C21D1/68; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US809934A
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US2082622A
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US2296442A
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US2509713A
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US2471128A
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US2609594A
Cited
US2762115A
Cited
US2756493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |