US3387490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rheometer die improvement
Assignee: Monsanto Co
•
Filing: 1965-09-27
•
Granted: 1968-06-11
•
Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Raleigh W Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:15
CPC Classifications
C; C03; C03B; C03B32/00; C03B32/02; G; G01; G01N; G01N11/00; G01N11/10; G01N11/16; G01N11/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2037529A
Cited
GB466663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |