US2713698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wet polymer extruder
Assignee: EIDP Inc
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Filing: 1951-06-28
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Granted: 1955-07-26
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Expires: 1971-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Spencer Danby
- 👤 James H Ellett
- 👤 Algernon P Guess
- 👤 Jr Thurman V Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:59
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/03; Y; Y10; Y10S; Y10S425/00; Y10S425/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN AN EXTRUDER HAVING A DIE PLATE, AN AUGER SHAFT HAVING AT ITS EXTRUSION SEND A PLURALITY OF ROTATING WIPER BLADES IN WIPING CONTACT RELATIONSHIP WITH SAID DIE PLATE, SAID BLADES BEING COVERED WITH A WATER-REPELLENT, RESILLIENT POLYMERIC MATERIAL SO THAT THE RESULTANT BLADES CONFORM TO THE CONTOUR OF THE SAID PLATE THROUGHOUT SAID WIPING CONTACT.
Claim 2
Dependent Claim
56 words
IN AN EXTRUDER HAVING A DIE PLATE, AN AUGER SHAFT HAVING AT ITS EXTRUSION SEND A PLURALITY OF ROTATING WIPER BLADES IN WIPING CONTACT RELATIONSHIP WITH SAID DIE PLATE, SAID BLADES BEING COVERED WITH A WATER-REPELLENT, RESILLIENT POLYMERIC MATERIAL SO THAT THE RESULTANT BLADES CONFORM TO THE CONTOUR OF THE SAID PLATE THROUGHOUT SAID WIPING CONTACT.
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) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |