Patent US3882632A successfully refreshed from Google Patents.
Patent US3847207A successfully refreshed from Google Patents.
Patent US1285494A successfully refreshed from Google Patents.
US1285494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for increasing the rate of solubility of gas in a liquid.
Assignee: Individual
•
Filing: 1916-11-11
•
Granted: 1918-11-19
•
Expires: 1936-11-11
Abstract
No abstract record available.
Inventors
- 👤 Charles F Wallace
- 👤 Martin F Tiernan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:24
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/231; B01F23/23105; B01F23/2312; B01F23/23123; B01F23/236; B01F23/2361; B01F23/23611; F; F25; F25C; F25C1/00; F25C1/18; B01F23/23126; B01F23/231262
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1921-11-18 | 1922-05-20 | 1922-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-18 | 1926-05-20 | 1926-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-18 | 1930-05-20 | 1930-11-19 | $7700.00 | Window Closed / Lapsed |