US3445482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis(polyhalocycloalkene)dicarboxylic acids and derivatives thereof
Assignee: Universal Oil Products Co
•
Filing: 1965-08-12
•
Granted: 1969-05-20
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Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 Louis Schmerling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:51
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/675; C08G18/677; C08G18/6775; C08G18/68; C08G18/683; C08G18/686; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3371101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |