US2182799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treating machine tool
Assignee: ThyssenKrupp Budd Co
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Filing: 1938-05-28
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Granted: 1939-12-12
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Expires: 1958-05-28
Abstract
No abstract record available.
Inventors
- 👤 Warren H Farr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:52
CPC Classifications
F; F27; F27D; F27D11/00; F27D11/06; B; B23; B23P; B23P23/00; B23P23/04; C; C21; C21D; C21D1/00; C21D1/06; H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/14; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S29/00; Y10S29/026; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5128; Y10T29/53; Y10T29/53991; Y10T83/00; Y10T83/283; Y10T83/293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-12-11 | 1943-06-12 | 1943-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-11 | 1947-06-12 | 1947-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-11 | 1951-06-12 | 1951-12-12 | $7700.00 | Window Closed / Lapsed |