Patent US2684386A successfully refreshed from Google Patents.
US2684386A
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Halogenated o, o' dihydroxy diphenyl methane alkyl ether
Assignee: GAF Chemicals Corp
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Filing: 1950-12-13
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Granted: 1954-07-20
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Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 Max E Chiddix
- 👤 Marjorie R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:02
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/20; C07C43/205
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
11 words
3,5,6,3'',5'' - PENTACHLORO - 2 - HYDROXY - 2''METHOXY DIPHENYL METHANE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |