US2766593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic refrigeration system
Assignee: John E Mitchell Co
•
Filing: 1955-06-03
•
Granted: 1956-10-16
•
Expires: 1975-06-03
Abstract
No abstract record available.
Inventors
- 👤 Mitchell Orville
- 👤 Robert V Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:49
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/20; F25B41/22; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7835
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1436815A
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US1238051A
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US1768602A
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US2061599A
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US2418853A
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US2497668A
Cited
US2579439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |