Patent US2194793A successfully refreshed from Google Patents.
US3371097A
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US
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N-aminoimides of halo-substituted polyhydromethanonaphthalenedicarboxylic acids
Assignee: Universal Oil Products Co
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Filing: 1966-09-28
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Granted: 1968-02-27
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Expires: 1986-09-28
Abstract
No abstract record available.
Inventors
- 👤 Henryk A Cyba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:06
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; C; C07; C07D; C07D209/00; C07D209/56; C07D209/58; C07D209/70; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3084036A
Cited
US3075013A
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US3138521A
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US3197504A
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US3235595A
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US3305347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |