US2968582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film products having pectin layers
Assignee: Eastman Kodak Co
•
Filing: 1958-09-22
•
Granted: 1961-01-17
•
Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Wilho M Salminen
- 👤 Walter J Weyerts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:55
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31768; Y10T428/31772
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
AS A NEW ARTICLE OF MANUFACTURE A FILM SUPPORT WHICH CARRIES ON ITS SURFACE A LAYER ESSENTIALLY COMPRISED OF GELATIN, WHICH GELATIN CONTAINS LOW METHOXYL PECTIN, SAID LOW METHOXYL PECTIN BEING CHARACTERIZED IN THAT THE PECTIC ACID UNITS THEREOF CONTAIN FROM 2.5% TO NOT MORE THAN 7% METHOXYLS PER PECTIC ACID UNIT.
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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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |