US3402139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl acetals plasticized with mixtures of an epoxy ester, a non-polymeric ester and a saturated polyester
Assignee: Monsanto Co
•
Filing: 1965-04-21
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Granted: 1968-09-17
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 George E Mont
- 👤 Joseph G Martins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:11
CPC Classifications
C; C08; C08L; C08L29/00; C08L29/14; B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10605; B32B17/10761; C08K; C08K5/00; C08K5/04; C08K5/10; C08L67/00; C08L67/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/3163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2339056A
Cited
US2442018A
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US2537017A
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US2997454A
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US3234161A
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US3211688A
Cited
US3262835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |