Patent US2698463A successfully refreshed from Google Patents.
US2698463A
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Molten plastic extrusion process
Assignee: EIDP Inc
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Filing: 1951-11-03
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Granted: 1955-01-04
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Expires: 1971-11-03
Abstract
No abstract record available.
Inventors
- 👤 Conwell Yeates
- 👤 Warren F Busse
- 👤 Vincent P Caracciolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:26
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/221; B; B29; B29C; B29C55/00; B29C55/02; C; C08; C08K; C08K3/00; C08K3/02; C08K3/08; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/04; C08K5/09; C08K5/098; D01; D01D; D01D5/00; D01D5/08; D01D5/098; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/02; D01F6/04; B29C48/00; B29C48/001; B29C48/0018; B29C48/03; B29C48/05; B29C48/07; B29C48/08
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) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |