US3510507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel polycarbonates
Assignee: Exxon Mobil Corp
•
Filing: 1966-11-14
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Granted: 1970-05-05
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Delos E Bown
- 👤 Norman P Neureiter
- 👤 Henry G Schutze
- 👤 Herschel C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:18
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4084; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C08K5/13; C08K5/134; C08K5/36; C08K5/37; C08K5/375; C08K5/49; C08K5/51; C08K5/54; C08K5/541; C08K5/5415; C08K5/5419
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |