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US2475916A
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Alkyl-substituted aromaticaliphatic carboxylic acid
Assignee: ExxonMobil Oil Corp
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Filing: 1943-12-21
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Granted: 1949-07-12
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Expires: 1963-12-21
Abstract
No abstract record available.
Inventors
- 👤 Orland M Reiff
- 👤 Ferdinand P Otto
- 👤 John J Giammaria
- 👤 Edward A Oberright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:24
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C57/00; C07C57/30; C07C57/38; C07C57/40; C07C59/00; C07C59/40; C07C59/42; C07C59/52; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/282; C10M2207/34; C10M2211/00; C10M2211/04; C10M2211/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |