US3437583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-foulant agents for petroleum hydrocarbons
Assignee: Veolia WTS USA Inc
•
Filing: 1967-06-13
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Granted: 1969-04-08
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Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Gerardo A Gonzalez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:42
CPC Classifications
C; C08; C08G; C08G14/00; C08G14/02; C08G14/04; C08G14/06; C07; C07C; C07C37/00; C07C37/11; C07C37/20; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C10L1/1835; C10L1/192; C10L1/198; C10L1/1981; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/228; C10L1/2283; C10L1/234; C10L1/238; C10L1/2383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE26330E
Cited
US2962442A
Cited
US3068083A
Cited
US3034876A
Cited
US3132085A
Cited
US3271296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |