US2472495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation product of a polyhalogenated aliphatic hydrocarbon and a copolymer of a polymerizable cyclic compound and an unsaturated aliphatic hydrocarbon
Assignee: Standard Oil Development Co
•
Filing: 1945-05-03
•
Granted: 1949-06-07
•
Expires: 1965-05-03
Abstract
No abstract record available.
Inventors
- 👤 William J Sparks
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:37
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/06; C10M2205/14; C10M2205/16; C10M2205/17; C10M2205/22; C10M2219/00; C10M2219/04; C10M2219/044; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2239501A
Cited
US2213423A
Cited
US2274749A
Cited
US2301926A
Cited
US2336620A
Cited
US2365127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |