US2425119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling unit
Assignee: DESIGNERS FOR INDUSTRY Inc
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Filing: 1944-03-24
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Granted: 1947-08-05
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Expires: 1964-03-24
Abstract
No abstract record available.
Inventors
- 👤 Charles R Papay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:08
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/06; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/14; F28F1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |