Patent US2260682A successfully refreshed from Google Patents.
US2260682A
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US
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Automatic expansion valve
Assignee: United Fruit Co
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Filing: 1939-11-24
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Granted: 1941-10-28
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Expires: 1959-11-24
Abstract
No abstract record available.
Inventors
- 👤 Robson Hector Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:39
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/34; F25B41/35; F25B2309/00; F25B2309/06; F25B2309/061; F25B9/00; F25B9/002; F25B9/008; Y; Y02; Y02B; Y02B30/00; Y02B30/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-10-27 | 1945-04-28 | 1945-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-27 | 1949-04-28 | 1949-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-27 | 1953-04-28 | 1953-10-28 | $7700.00 | Window Closed / Lapsed |