Patent US3045450A successfully refreshed from Google Patents.
US3045450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air treating and cooling device
Assignee: Individual
•
Filing: 1960-03-30
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Granted: 1962-07-24
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Expires: 1980-03-30
Abstract
No abstract record available.
Inventors
- 👤 Edward F Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:13
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; F24F6/043; 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)
US225192A
Cited
US2749725A
Cited
US2165979A
Cited
US2085390A
Cited
US2266373A
Cited
US2242594A
Cited
US2500527A
Cited
US2944328A
Cited
US2857657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |