Patent US3364243A successfully refreshed from Google Patents.
US3364243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cobaltous halide-2-butyne-1, 4-diol complexes
Assignee: GAF Chemicals Corp
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Filing: 1964-10-08
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Granted: 1968-01-16
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Wiley E Daniels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:38
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/06; C07F15/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
CABOLTOUS HALIDE-2-BUTYNE-1,4-DIOL COMPLEX HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
7 words
CABOLTOUS HALIDE-2-BUTYNE-1,4-DIOL COMPLEX HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |