US3504075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing high-gloss polymeric films
Assignee: Eastman Kodak Co
•
Filing: 1967-10-26
•
Granted: 1970-03-31
•
Expires: 1987-10-26
Abstract
No abstract record available.
Inventors
- 👤 Robert F Williams Jr
- 👤 Richard H Jenks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:30
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C08J7/065; B; B29; B29C; B29C43/00; B29C43/22; B29C43/24; B29C48/00; B29C48/001; B29C67/00; C08J7/043; C08J7/048; B29C48/0018; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2820252A
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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) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |