US2941281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot workable, heat resistant metal bodies
Assignee: Huntington Alloys Corp
•
Filing: 1954-12-02
•
Granted: 1960-06-21
•
Expires: 1974-12-02
Abstract
No abstract record available.
Inventors
- 👤 Hignett Harold William George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:28
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/01; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139; Y10T428/12292; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB580744A
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US2431660A
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US2628417A
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US2609576A
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US2698990A
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GB733061A
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US2783530A
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |