US3565660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical masking composition
Assignee: Monsanto Co
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Filing: 1968-01-03
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Granted: 1971-02-23
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Expires: 1988-01-03
Abstract
Abstract THE PRESENT INVENTION RELATES TO A COATING COMPOSITION COMPRISING A RESINOUS ESTER DISSOLVED IN ALCOHOL WHICH IS USED TO MASK PORTIONS OF A POLYSTYRENE-CONTAINING PLASTIC FROM A LIQUID FOAMING AGENT WHICH IS USED TO FOAM UNMASKED SURFACE PORTIONS OF THE PLASTIC.
Inventors
- 👤 Thomas F Sincock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:28
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/02; C08L; C08L67/00; C08J2325/00; C08J2325/02; C08J2325/04; C08J2325/06; Y; Y10; Y10S; Y10S264/00; Y10S264/82
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |