US2641109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multitemperature refrigerating system
Assignee: Individual
•
Filing: 1947-08-29
•
Granted: 1953-06-09
•
Expires: 1967-08-29
Abstract
No abstract record available.
Inventors
- 👤 Muffly Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:37
CPC Classifications
F; F25; F25D; F25D11/00; F25D11/006; F25D11/02; F25D11/022; F25B; F25B2400/00; F25B2400/05; F25B2400/052; F25B2400/054; F25B2600/00; F25B2600/25; F25B2600/2511; F25D2400/00; F25D2400/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2289723A
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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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |