Patent US1859770A successfully refreshed from Google Patents.
US1859770A
Expired / Lapsed
US
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Vaporizer
Assignee: Cooling & Air Conditioning Cor
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Filing: 1928-02-08
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Granted: 1932-05-24
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Expires: 1948-02-08
Abstract
No abstract record available.
Inventors
- 👤 Walter L Fleisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:25
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/08; B05B3/082; B05B3/10; B05B3/105; F; F24; F24F; F24F6/00; F24F6/12; B05B3/1007; B05B3/1014; Y; Y10; Y10S; Y10S261/00; Y10S261/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-05-24 | 1935-11-23 | 1936-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-24 | 1939-11-23 | 1940-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-24 | 1943-11-23 | 1944-05-24 | $7700.00 | Window Closed / Lapsed |