US3043573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermo-transpiration portable air conditioner unit
Assignee: Individual
•
Filing: 1956-02-16
•
Granted: 1962-07-10
•
Expires: 1976-02-16
Abstract
No abstract record available.
Inventors
- 👤 Edward F Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:24
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; F24F1/00; F24F1/02; F24F1/0328; F24F1/037; Y; Y10; Y10S; Y10S261/00; Y10S261/34; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49359
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2048694A
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US2678235A
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US2703228A
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US2793015A
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US2774581A
Cited
US2914308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |