US2760346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus of dissimilar metals
Assignee: Motors Liquidation Co
•
Filing: 1953-10-01
•
Granted: 1956-08-28
•
Expires: 1973-10-01
Abstract
No abstract record available.
Inventors
- 👤 Leland H Grenell
- 👤 Clifford H Wurtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:49
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/02; F25B39/022; F25B39/024; F25B2400/00; F25B2400/05; F25B2400/052; F25B2400/054; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49359
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1776615A
Cited
US2137097A
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US2157918A
Cited
US2173109A
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US2386889A
Cited
US2513365A
Cited
US2446853A
Cited
US2645099A
Cited
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 |