US2733056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing of gases and liquids
Assignee: —
•
Filing: 1952-02-28
•
Granted: 1956-01-31
•
Expires: 1972-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:06
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; C02F3/205; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2332; B01F27/00; B01F27/60; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US76114A
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US516405A
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GB189709784A
Cited
US1502004A
Cited
US1713046A
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NL49844C
Cited
US2151126A
Cited
US2559164A
Cited
US2608399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |