Patent US2290984A successfully refreshed from Google Patents.
US2290984A
Expired / Lapsed
US
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Refrigerating apparatus
Assignee: Worthington Pump and Machinery Corp
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Filing: 1941-12-18
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Granted: 1942-07-28
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Expires: 1961-12-18
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:06
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/022; F25B2400/00; F25B2400/07; F25B2400/074; F25B2600/00; F25B2600/02; F25B2600/025; F25B2600/0251; F25B2600/026; F25B49/025
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) | 1945-07-27 | 1946-01-26 | 1946-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-27 | 1950-01-26 | 1950-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-27 | 1954-01-26 | 1954-07-28 | $7700.00 | Window Closed / Lapsed |