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Patent US2926503A successfully refreshed from Google Patents.
US2926503A
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US
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Refrigeration system control
Assignee: Trane Co
•
Filing: 1958-03-11
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Granted: 1960-03-01
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Expires: 1978-03-11
Abstract
No abstract record available.
Inventors
- 👤 Emil T Neubauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:47
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0007; F24F5/001; F24F3/00; F24F3/12; F24F3/14; F24F3/153; F25; F25B; F25B5/00; F25B5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2344215A
Cited
US2614394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |