US3427178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coating a mold with a polyurethane release agent
Assignee: Latex and Polymer Research Corp
•
Filing: 1964-07-15
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Granted: 1969-02-11
•
Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Gerald Zakim
- 👤 Musa M Shihadeh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:45
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/36; B28B7/364; B29; B29C; B29C33/00; B29C33/56; B29C33/60; B29C33/62
Claims Analysis
Total Claims: 0
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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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |