US3427685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic pelletizer die plates
Assignee: Black Clawson Co
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Filing: 1967-03-03
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Granted: 1969-02-18
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Expires: 1987-03-03
Abstract
No abstract record available.
Inventors
- 👤 Harvey H Gove
- 👤 John C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:27
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/20; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/582; B29B7/80; B29B7/82; B29B7/826; B29B9/00; B29B9/02; B29B9/06; B29B9/065; B29C; B29C48/00; B29C48/001; B29C48/0022; B29C48/03; B29C48/05; B29C48/25; B29C48/30; B29C48/345; B29C48/78; B29C48/86; B29C48/865; B30; B30B; B30B11/00; B30B11/22; B30B11/221
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |