US2423260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion of tubing
Assignee: EXTRUDED PLASTIES Inc
•
Filing: 1944-12-29
•
Granted: 1947-07-01
•
Expires: 1964-12-29
Abstract
No abstract record available.
Inventors
- 👤 Charles E Slaughter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:18
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/90; B29C48/901; B29C48/903; B29C48/03; B29C48/09; B29C48/12; B29C48/885; B29C48/908; B29C48/911; B29C48/9115; B29C48/912; B29C48/9135; B29C48/9175; B29C48/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US670611A
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US1679545A
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US2044961A
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US2337927A
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US2287825A
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US2383520A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-30 | 1950-12-30 | 1951-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-30 | 1954-12-30 | 1955-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-30 | 1958-12-30 | 1959-07-01 | $7700.00 | Window Closed / Lapsed |