US3536677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polythiaalkyl acrylates and acrylamides and copolymers containing same
Assignee: Eastman Kodak Co
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Filing: 1968-01-29
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Granted: 1970-10-27
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Expires: 1988-01-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Hollister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:25
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/24; C07C323/25; C07C321/00; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/053
Claims Analysis
Total Claims: 0
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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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |