Patent US1395466A successfully refreshed from Google Patents.
US1395466A
Expired / Lapsed
US
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Regulating means for gas-separating apparatus
Assignee: Individual
•
Filing: 1919-06-25
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Granted: 1921-11-01
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Expires: 1939-06-25
Abstract
No abstract record available.
Inventors
- 👤 Barbet Emile Augustin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:09
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4255; F25J2280/00; F25J2280/02
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) | 1924-10-31 | 1925-05-02 | 1925-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-31 | 1929-05-02 | 1929-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-31 | 1933-05-02 | 1933-11-01 | $7700.00 | Window Closed / Lapsed |