US3447883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel method of blending olefin polymers and additives
Assignee: Avisun Corp
•
Filing: 1965-05-06
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Granted: 1969-06-03
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Expires: 1985-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jackson S Boyer
- 👤 Francois E Didot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:39
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; C08J3/005; C08J7/00; C08J7/04; C08J7/0427; C08J2323/00; C08J2323/02; C08J2491/00; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1039626A
Cited
GB809495A
Cited
US3052569A
Cited
US3068516A
Cited
US3157457A
Cited
US3284228A
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 |