US2519844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling tank
Assignee: Individual
•
Filing: 1946-05-03
•
Granted: 1950-08-22
•
Expires: 1966-05-03
Abstract
No abstract record available.
Inventors
- 👤 Harry G Mojonnier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:48
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/02; F25B41/00; F25B47/00; F25B47/006; F28; F28D; F28D7/00; F28D7/10; F28D7/16; F25B2339/00; F25B2339/02; F25B2339/024; F25B2339/0242; F25B2341/00; F25B2341/001; F25B2341/0012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1380987A
Cited
GB418816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |