US3471439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcing filler
Assignee: Amicon Corp
•
Filing: 1966-03-10
•
Granted: 1969-10-07
•
Expires: 1986-03-10
Abstract
No abstract record available.
Inventors
- 👤 Harris J Bixler
- 👤 Gary J Fallick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:20
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C09; C09C; C09C1/00; C09C1/28; C01; C01P; C01P2004/00; C01P2004/10; C01P2004/20; C01P2004/60; C01P2004/61; C01P2004/80; C01P2006/00; C01P2006/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2780612A
Cited
US3156576A
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US3190850A
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US3304197A
Cited
US3032431A
Cited
US3228905A
Cited
US3271355A
Cited
US3227675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |