Patent US2265634A successfully refreshed from Google Patents.
US2265634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating plant
Assignee: Individual
•
Filing: 1939-04-24
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Granted: 1941-12-09
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Expires: 1959-04-24
Abstract
No abstract record available.
Inventors
- 👤 Ford J Cumming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:57
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/005; F25D17/04; F25D17/06; F25D17/067; F25D21/00; F25D21/06; F25D21/12; F25D21/125
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) | 1944-12-08 | 1945-06-09 | 1945-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-08 | 1949-06-09 | 1949-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-08 | 1953-06-09 | 1953-12-09 | $7700.00 | Window Closed / Lapsed |