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US3518221A
Expired / Lapsed
US
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Reinforcing fillers in a matrix of two thermosetting resins
Assignee: Monsanto Co
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Filing: 1967-10-30
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Granted: 1970-06-30
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Expires: 1987-10-30
Abstract
No abstract record available.
Inventors
- 👤 Allen S Kenyon
- 👤 Robert J Slocombe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:18
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/18; C08K; C08K7/00; C08K9/00; C08K9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2999833A
Cited
US2810674A
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US2952192A
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US3006875A
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US3080256A
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US3171827A
Cited
US3288618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |