US3520027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the incorporation of filamentary material in resinous matrix
Assignee: Dow Chemical Co
•
Filing: 1968-07-11
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Granted: 1970-07-14
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Expires: 1988-07-11
Abstract
No abstract record available.
Inventors
- 👤 James L Amos
- 👤 Arnett L Bird
- 👤 Robert P Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:10
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/18; B29C45/1816; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/60; B29B7/603; B29B7/80; B29B7/88; B29B7/90; B29B7/905; B29C45/0005; B29C48/00; B29C48/25; B29C48/285; B29C48/288; B29C48/2886; B29C48/297; B29C48/03; B29C48/04; B29C48/07; B29C48/08; B29K; B29K2105/00; B29K2105/06; B29K2105/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3004878A
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US3012922A
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US3003194A
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US3194859A
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US3304282A
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US3328383A
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US3409711A
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US3278992A
Cited
US3334163A
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US3429003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |