Patent US3322744A successfully refreshed from Google Patents.
US3322744A
Expired / Lapsed
US
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Polymers containing polyfluoronitroso compounds and 1, 1-difluoroallenes
Assignee: Individual
•
Filing: 1964-08-20
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Granted: 1967-05-30
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Haszeldine Robert Neville
- 👤 Road Lyme
- 👤 Banks Ronald Eric
- 👤 Taylor David Robin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:59
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08G; C08G73/00; C08G73/24; C10M2217/00; C10M2217/02; C10M2217/026; C10M2217/04; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
FLUORINE-CONTAINING POLYMERS HAVING A BACKBONE ESSENTIALLY CONSISTING OF THE UNITS
Claim 2
Dependent Claim
10 words
FLUORINE-CONTAINING POLYMERS HAVING A BACKBONE ESSENTIALLY CONSISTING OF THE UNITS
References Cited (Backward Citations)
US3072592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |