Patent US2694553A successfully refreshed from Google Patents.
US2694553A
Expired / Lapsed
US
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Refrigeration apparatus for railroad cars
Assignee: Trane Co
•
Filing: 1951-01-04
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Granted: 1954-11-16
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Expires: 1971-01-04
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Hicke
- 👤 Daly John Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:21
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0072; B61D27/0081; F; F25; F25D; F25D11/00; F25D11/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1185596A
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US1984054A
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US2001028A
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US2234250A
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US2313390A
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US2303857A
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US2541904A
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US2608067A
Cited
US2497028A
Cited
US2479170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |