US3450772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyphenyl ethers
Assignee: Mobil Oil AS
•
Filing: 1965-09-24
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Granted: 1969-06-17
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Expires: 1985-09-24
Abstract
No abstract record available.
Inventors
- 👤 Robert F Bridger
- 👤 Robert E Kinney
- 👤 Albert L Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:53
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07C; C07C205/00; C07C205/07; C07C205/11; C07C205/12; C07C205/27; C07C205/35; C07C205/36; C07C205/38; C07C43/00; C07C43/02; C07C43/257; C07C43/263; C07C43/29; C07C43/295; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C10M1/00; C10M1/08; C10M2207/00; C10M2207/04; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/20; C10M2215/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3083234A
Cited
US3301908A
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US3006852A
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US3192263A
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US3032594A
Cited
US3294846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |