US3447948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin coated cellulosic sheet having reduced tendency to accumulate an electrostatic charge
Assignee: FMC Corp
•
Filing: 1965-09-02
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Granted: 1969-06-03
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Expires: 1985-09-02
Abstract
No abstract record available.
Inventors
- 👤 Walter T Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:18
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C08J7/065; C08J7/0427; C08J7/043; C08J7/052; C08J2301/00; C08J2427/00; C08J2427/02; C08J2427/04; C08J2427/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31859; Y10T428/31862; Y10T428/31866; Y10T428/3187; Y10T428/31873; Y10T428/3188; Y10T428/31884; Y10T428/31891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2086544A
Cited
US2462185A
Cited
US2752266A
Cited
US2763571A
Cited
US2980554A
Cited
US3075859A
Cited
US2992133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |