US3545230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible cooling device and use thereof
Assignee: Union Carbide Corp
•
Filing: 1968-08-20
•
Granted: 1970-12-08
•
Expires: 1988-08-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:21
CPC Classifications
F; F25; F25D; F25D3/00; C; C08; C08J; C08J3/00; C08J3/28; F25D2303/00; F25D2303/08; F25D2303/082; F25D2303/0822; F25D2303/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586546A
Cited
US2120013A
Cited
US2366989A
Cited
US2595328A
Cited
US2697424A
Cited
US2803115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |