Patent US3340310A successfully refreshed from Google Patents.
US3340310A
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US
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2, 2-bis(4-hydroxyphenyl) 1, 1, 3, 3-tetrafluoro-1, 3-dichloropropane
Assignee: Honeywell International Inc
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Filing: 1963-07-03
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Granted: 1967-09-05
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Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Everett E Gilbert
- 👤 Julian A Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:14
CPC Classifications
C; C08; C08G; C08G64/00; C08G64/04; C08G64/06; C08G64/08; C08G64/10; C07; C07C; C07C37/00; C07C37/11; C07C37/20; C07C39/00; C07C39/24; C07C39/367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1978949A
Cited
US2435014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |