US3061941A
Expired / Lapsed
US
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Apparatus for the heat treatment of thermoplastic materials
Assignee: Sumitomo Rubber USA LLC
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Filing: 1958-08-12
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Granted: 1962-11-06
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Expires: 1978-08-12
Abstract
No abstract record available.
Inventors
- 👤 Goy Ronald Stansfield
- 👤 Moring Peter Lothar Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/0244; B29C35/025; B29B; B29B13/00; B29B13/02; B29B13/023; D; D02; D02J; D02J13/00; D02J13/006; D06; D06B; D06B19/00; D06B19/0005; D06B19/0076; D06B19/0082; F; F26; F26B; F26B13/00; F26B13/005; F26B13/10; F26B13/105; F26B13/106; Y; Y10; Y10S; Y10S264/00; Y10S264/51
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |