US3494947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur-containing carboxylic acid esters
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1968-06-05
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Granted: 1970-02-10
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Expires: 1988-06-05
Abstract
No abstract record available.
Inventors
- 👤 Henry G Schutze
- 👤 Delos E Bown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/17; C07C29/172; C07C323/00; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/36; C08K5/37; C08K5/372; C09; C09B; C09B1/00; C09B1/50; C09B1/503; C09B1/54; C09B1/545; C09F; C09F1/00; C09F1/04; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2640848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |