US2649618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for extrusion of plastics having elastic memory
Assignee: Uniroyal Inc
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Filing: 1950-06-29
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Granted: 1953-08-25
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Expires: 1970-06-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Rhodes
- 👤 James J Neville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:15
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/001; B29C48/0022; B29C2793/00; B29C2793/0027; B29C48/03; B29C48/06; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/904; Y10S425/00; Y10S425/115
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) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |