US3475248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of thermoplastic film manufacture
Assignee: EIDP Inc
•
Filing: 1965-12-06
•
Granted: 1969-10-28
•
Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Donald Eugene Brasure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:21
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L33/00; C08L33/04; C08L33/14; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2892383A
Cited
US2879547A
Cited
US3003903A
Cited
USRE26237E
Cited
US2944927A
Cited
US3133854A
Cited
US3405027A
Cited
US3397101A
Cited
US3228823A
Cited
US3342657A
Cited
US3380868A
Cited
US3388196A
Cited
US3370111A
Cited
US3397108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |