US2846204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas and liquid contact device
Assignee: Individual
•
Filing: 1956-03-27
•
Granted: 1958-08-05
•
Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Forrest E Gilmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:06
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/163; B01D47/00; B01D47/02; B01D47/021; F; F16; F16K; F16K15/00; F16K15/14; F16K15/1401; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US468919A
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US948432A
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US1874849A
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US2045518A
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US2646882A
Cited
GB690798A
Cited
US2757915A
Cited
US2718900A
Cited
FR1075427A
Cited
US2681219A
Cited
US2809821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |