US3398015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amylose film
Assignee: AMF Inc
•
Filing: 1964-04-01
•
Granted: 1968-08-20
•
Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Sheldon A Buckler
- 👤 Felix J Germino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:03
CPC Classifications
C; C08; C08B; C08B33/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2125901A
Cited
US2307045A
Cited
US2516633A
Cited
US2656571A
Cited
GB847431A
Cited
US3112984A
Cited
US2983626A
Cited
US3038895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |