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US2705669A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and tool for shaping thermoplastic materials

Assignee: Eutectic Corp
•
Filing: 1952-07-02
•
Granted: 1955-04-05
•
Expires: 1972-07-02
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Abstract

No abstract record available.

Inventors

  • 👤 Theodore I Leston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 05:01
CPC Classifications
B; B29; B29C; B29C45/00; B29C48/00; B29C48/03; B29C48/06; B29C48/07; B29C48/08; B29C48/09; B29C48/25; B29C48/30; B29C48/32; B29C48/36; B29C48/50; B29C48/3001; B29C48/3003

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 49 words
AS AN ARTICLE OF MANUFACTURE, A PRESSURE MOLDING APPARATUS FOR THERMOPLASTIC MATERIALS INCLUDING A MATERIAL LOADING CHAMBER AND AN EJECTION NOZZLE HAVING AN OUTLET ORIFICE IN WHICH THE INTERANL WALL SURFACES OF SAID ORIFICE ARE AMALGAMATED WITH A FILM OF MERCURY HAVING IMMOBILE DISCRETE PARTICLES FORMING A BEARING SURFACE.

References Cited (Backward Citations)

US1544828A Cited
US2144548A Cited
US2219700A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-04-04 1958-10-04 1959-04-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-04-04 1962-10-04 1963-04-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-04-04 1966-10-04 1967-04-05 $7700.00 Window Closed / Lapsed

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