US2760725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal conditioning and ventilating means and method
Assignee: ThyssenKrupp Budd Co
•
Filing: 1951-10-24
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Granted: 1956-08-28
•
Expires: 1971-10-24
Abstract
No abstract record available.
Inventors
- 👤 Albert G Dean
- 👤 Lewis F Reynolds
- 👤 Edwin M Callender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:05
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0018; F; F24; F24F; F24F11/00; F24F11/30; Y; Y02; Y02T; Y02T30/00
Claims Analysis
Total Claims: 0
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US2637500A
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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) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |