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US3035306A
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Dewatering means for plastic materials
Assignee: Welding Engineers Inc
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Filing: 1959-12-01
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Granted: 1962-05-22
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Expires: 1979-12-01
Abstract
No abstract record available.
Inventors
- 👤 Paul H Rossiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:59
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/80; B29B7/84; B29B7/842; B29B13/00; B29B13/06; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/375; B29C48/38; B29C48/50; B29C48/68; B29C48/685; B29C48/686; B29C48/76; B29C48/761; B29C48/78; B29C48/80; B29C48/83; B29C48/832; B30; B30B; B30B9/00; B30B9/02; B30B9/12; B30B9/128; F; F26; F26B; F26B5/00; F26B5/14; B29C48/03; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US2371722A
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US2397758A
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US2709956A
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US2617167A
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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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |