Patent US2479934A successfully refreshed from Google Patents.
US2479934A
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US
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Heat treating
Assignee: Motors Liquidation Co
•
Filing: 1943-08-26
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Granted: 1949-08-23
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Expires: 1963-08-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Jagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:34
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/365; C; C21; C21D; C21D9/00; C21D9/40; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1123080A
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US1406880A
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US1711835A
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US2202758A
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US2202759A
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US2281297A
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US2288033A
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US2182341A
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US2194391A
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US2295272A
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US2314865A
Cited
US2329944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |