US3532659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorinated organic compounds and polymers thereof
Assignee: Pennwalt Corp
•
Filing: 1967-04-26
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Granted: 1970-10-06
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Expires: 1987-04-26
Abstract
No abstract record available.
Inventors
- 👤 Robert Bonner Hager
- 👤 Arnold Harold Fainberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:41
CPC Classifications
C; C14; C14C; C14C9/00; C07; C07C; C07C29/00; C07C29/44; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/22; C08F20/24; C14C11/00; C14C11/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |