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Patent US2463497A successfully refreshed from Google Patents.
US2463497A
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Wetting agents
Assignee: ExxonMobil Oil Corp
•
Filing: 1946-02-23
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Granted: 1949-03-01
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Expires: 1966-02-23
Abstract
No abstract record available.
Inventors
- 👤 Robert L Smith
- 👤 Duncan J Crowley
- 👤 Grove Penns
- 👤 Pharez G Waldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:54
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/28; C07C309/33; C07C309/34; C07C309/35; C07C309/36; C07C309/37; C07C309/29; C07C309/30; C07C309/31; C07C2601/00; C07C2601/12; C07C2601/14; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2161173A
Cited
US2199131A
Cited
US2244512A
Cited
US2210962A
Cited
US2364782A
Cited
US2330922A
Cited
US2409671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |