US1992486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for obtaining carbon dioxide
Assignee: Liquid Carbonic Corp
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Filing: 1931-11-18
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Granted: 1935-02-26
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Expires: 1951-11-18
Abstract
No abstract record available.
Inventors
- 👤 Franklin B Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:27
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/06; F25J3/063; F25J3/067; C; C01; C01B; C01B32/00; C01B32/50; C01B32/55; F25J3/066; F25J2205/00; F25J2205/20; F25J2205/24; F25J2210/00; F25J2210/70; F25J2220/00; F25J2220/80; F25J2220/82; F25J2230/00; F25J2230/04; F25J2230/20; F25J2230/30; F25J2240/00; F25J2240/90; F25J2270/00; F25J2270/04; F25J2270/80; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151
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) | 1938-02-25 | 1938-08-27 | 1939-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-25 | 1942-08-27 | 1943-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-25 | 1946-08-27 | 1947-02-26 | $7700.00 | Window Closed / Lapsed |