Patent US3343215A successfully refreshed from Google Patents.
US3343215A
Expired / Lapsed
US
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Deflecting extruder head
Assignee: Oerlikon Barmag AG
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Filing: 1965-04-23
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Granted: 1967-09-26
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Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Vinkeloe Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:32
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/09; B29C48/10; B29C48/05; B29C48/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DEFLECTING AND CROSS EXTRUDER HEAD COMPRISING A HOUSING HAVING AS ITS INTERNAL SURFACE A SURFACE OF REVOLUTION DESCRIBED BY THE REVOLUTION OF A LINE ABOUT AN AXIS, A MANDREL ARRANGED WITHIN SAID HOUSING, SAID MANDREL HAVING AN OUTER SURFACE FITTING ONTO THE INTERNAL SURFACE OF SAID HOUSING, A SEMI-CIRCULAR CHANNEL FORMED BETWEEN SAID MANDREL AND SAID HOUSING NEAR ONE EACH THEREOF AND LYING IN A PLANE PERPENDICULAR TO SAID AXIS OF SAID HOUSING, SAID HOUSING HAVING AN INLET OPENING COMMUNICATING WITH SAID CHANNEL CENTRALLY OF THE ENDS THEREOF; SEPARATE DISTRIBUTING CHANNEL SYSTEMS STEMMING FROM EACH END OF SAID SEMI-CIRCULAR CHANNEL, THERE BEING ONE SYS-
Claim 2
Dependent Claim
105 words
A DEFLECTING AND CROSS EXTRUDER HEAD COMPRISING A HOUSING HAVING AS ITS INTERNAL SURFACE A SURFACE OF REVOLUTION DESCRIBED BY THE REVOLUTION OF A LINE ABOUT AN AXIS, A MANDREL ARRANGED WITHIN SAID HOUSING, SAID MANDREL HAVING AN OUTER SURFACE FITTING ONTO THE INTERNAL SURFACE OF SAID HOUSING, A SEMI-CIRCULAR CHANNEL FORMED BETWEEN SAID MANDREL AND SAID HOUSING NEAR ONE EACH THEREOF AND LYING IN A PLANE PERPENDICULAR TO SAID AXIS OF SAID HOUSING, SAID HOUSING HAVING AN INLET OPENING COMMUNICATING WITH SAID CHANNEL CENTRALLY OF THE ENDS THEREOF; SEPARATE DISTRIBUTING CHANNEL SYSTEMS STEMMING FROM EACH END OF SAID SEMI-CIRCULAR CHANNEL, THERE BEING ONE SYS-
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |