US3036335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for extruding thermoplastic material
Assignee: National Rubber Machinery Co
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Filing: 1959-06-11
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Granted: 1962-05-29
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Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Heston
- 👤 Waldemar M Mundy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:45
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/78; B29C48/793; B29C48/285; B29C48/288; B29C48/03; Y; Y10; Y10S; Y10S425/00; Y10S425/039
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2308971A
Cited
CA449472A
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US1842919A
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US2078565A
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US2568332A
Cited
US2604659A
Cited
US2799047A
Cited
US2938639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |