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US3302240A Expired / Lapsed US ⏱️ 0.0 years remaining

Annular nozzles for the extrusion of thermoplastic materials

Assignee: Kalle GmbH and Co KG
•
Filing: 1964-08-25
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Granted: 1967-02-07
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Expires: 1984-08-25
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Abstract

No abstract record available.

Inventors

  • 👤 Loos Diether

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:13
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/325; B29C48/327; B29C48/03; B29C48/09

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 15 words
AN ADJUSTABLE ANNULAR NOZZLE FOR USE IN THE EXTRUSION OF ANNULAR ARTICLES OF THERMOPLASTIC MATERIAL
Claim 2
Dependent Claim 15 words
AN ADJUSTABLE ANNULAR NOZZLE FOR USE IN THE EXTRUSION OF ANNULAR ARTICLES OF THERMOPLASTIC MATERIAL

References Cited (Backward Citations)

US2562565A Cited
US2461856A Cited
US3184792A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-06 1970-08-08 1971-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-06 1974-08-08 1975-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-06 1978-08-08 1979-02-07 $7700.00 Window Closed / Lapsed

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