Patent US3525236A successfully refreshed from Google Patents.
US3525236A
Expired / Lapsed
US
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Portable self-cooling device
Assignee: Individual
•
Filing: 1968-07-15
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Granted: 1970-08-25
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Expires: 1988-07-15
Abstract
No abstract record available.
Inventors
- 👤 Nariman Solhkhah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:32
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/10; F25D3/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1928639A
Cited
US2118060A
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US2460765A
Cited
US2805556A
Cited
US3309890A
Cited
US3326013A
Cited
US3373581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |