US3516957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic polyester composition containing organic ester mold release agent
Assignee: Eastman Kodak Co
•
Filing: 1968-04-29
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Granted: 1970-06-23
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Expires: 1988-04-29
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Gray Jr
- 👤 Max L Carroll Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:22
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; C; C08; C08K; C08K5/00; C08K5/04; C08K5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2128534A
Cited
US2357833A
Cited
US2532245A
Cited
US2649622A
Cited
US2877501A
Cited
US2809946A
Cited
US3368995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |