US2596770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction hardening fixture
Assignee: Ford Motor Co
•
Filing: 1948-09-29
•
Granted: 1952-05-13
•
Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 Fredrick J Groven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1981629A
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US1915047A
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US2003855A
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US2238082A
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US2182820A
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US2271916A
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US2467746A
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US2483973A
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US2454039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |