US3415917A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming and cooling thermoplastic resin pellets
Assignee: Individual
•
Filing: 1965-06-11
•
Granted: 1968-12-10
•
Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 Watanabe Takuro
- 👤 Toyama Kazuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:56
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/021; B29B9/00; B29B9/02; B29B9/06; B29B9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2539916A
Cited
US3266085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |