US3012276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for extruding plastic conduit
Assignee: Plastex Co
•
Filing: 1960-08-04
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Granted: 1961-12-12
•
Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Given
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:21
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/919; B29C48/03; B29C48/09; B29C48/10; B29C48/911; B29C48/9115; B29C48/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2097684A
Cited
US2176925A
Cited
US2452080A
Cited
US2541064A
Cited
US2634459A
Cited
US2717424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |