Patent US2885189A successfully refreshed from Google Patents.
US2885189A
Expired / Lapsed
US
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Personal thermal devices
Assignee: JET HEET Inc
•
Filing: 1953-07-20
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Granted: 1959-05-05
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Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 Calvin D Maccracken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:19
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61F2007/0059; Y; Y10; Y10S; Y10S165/00; Y10S165/044; Y10S165/047; Y10S165/049; Y10S165/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1788506A
Cited
US1896953A
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US2110025A
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US2099157A
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US2284905A
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US2597472A
Cited
US2464936A
Cited
US2459097A
Cited
US2542896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |