Patent US3072669A successfully refreshed from Google Patents.
US3072669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organophosphorus derivatives of 1, 2, 3-thiadiazole
Assignee: Eastman Kodak Co
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Filing: 1960-03-28
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Granted: 1963-01-08
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Richard L Mcconnell
- 👤 Jr Harry W Coover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:19
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6536; C07F9/6539; C07F9/65392; C07F9/65395
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
5 words
ORGANOPHOSPHORUS COMPOUNDS HAVING THE FORMULA:
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |