US3405425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing partially pigmented plastic sheets
Assignee: Monsanto Co
•
Filing: 1964-09-18
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Granted: 1968-10-15
•
Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 Francis T Buckley
- 👤 Hing William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:59
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10899; B32B17/10935; B29; B29C; B29C48/00; B29C48/16; B29C48/17; B29C48/175; B32B17/10165; B32B17/10339; B32B17/1055; B32B17/10761; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |