US3067462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruder for drying synthetic rubber
Assignee: Blaw Knox Co
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Filing: 1959-06-10
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Granted: 1962-12-11
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Gilbert V Kullgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:43
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/14; B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B29B7/426; B29B7/58; B29B7/60; B29B7/74; B29B7/7476; B29B7/7495; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/375; B29C48/38; B29B7/80; B29B7/82; B29B7/826; B29B7/86; B29C48/03; Y; Y10; Y10S; Y10S264/00; Y10S264/78; Y10S425/00; Y10S425/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
DRYING APPARATUS COMPRISING A FIRST EXTRUDER; A SECOND EXTRUDER; MEANS FORMING A THROAT COUPLING THE TWO EXTRUDERS TOGETHER; MEANS FORMING A FIRST PASSAGEWAY THROUGH WHICH THE FIRST EXTRUDER CAN DISCHARGE INTO THE THROAT; MEANS FOR HEATING THE THROAT; MEANS FOR REMOVING MOISTURE VAPOR FROM THE THROAT; MECHANISM WITHIN THE THROAT FOR COMMINUTING MATERIAL DISCHARGED BY THE FIRST EXTRUDER, SAID MECHANISM COMPRISING (A) A CYLINDRICAL LINEAR,
Claim 2
Dependent Claim
65 words
DRYING APPARATUS COMPRISING A FIRST EXTRUDER; A SECOND EXTRUDER; MEANS FORMING A THROAT COUPLING THE TWO EXTRUDERS TOGETHER; MEANS FORMING A FIRST PASSAGEWAY THROUGH WHICH THE FIRST EXTRUDER CAN DISCHARGE INTO THE THROAT; MEANS FOR HEATING THE THROAT; MEANS FOR REMOVING MOISTURE VAPOR FROM THE THROAT; MECHANISM WITHIN THE THROAT FOR COMMINUTING MATERIAL DISCHARGED BY THE FIRST EXTRUDER, SAID MECHANISM COMPRISING (A) A CYLINDRICAL LINEAR,
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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |