US3476366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas liquid transfer apparatus
Assignee: Pfizer Inc
•
Filing: 1966-12-29
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Granted: 1969-11-04
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Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Owen E Brooks
- 👤 Robert C Nubel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:09
CPC Classifications
C; C12; C12M; C12M27/00; C12M27/18; C12M27/24; B; B01; B01D; B01D19/00; B01D19/0042; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2322; B01F33/00; B01F33/40; B01F33/403; C12M29/00; C12M29/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US523501A
Cited
US2123463A
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US642460A
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US1868775A
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GB308254A
Cited
US2338228A
Cited
AT236892B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |