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US2705669A
Expired / Lapsed
US
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Method and tool for shaping thermoplastic materials
Assignee: Eutectic Corp
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Filing: 1952-07-02
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Granted: 1955-04-05
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Expires: 1972-07-02
Abstract
No abstract record available.
Inventors
- 👤 Theodore I Leston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:33
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)
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 |