US3154809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of shaped bodies out of thermoplastic material
Assignee: Individual
•
Filing: 1961-10-16
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Granted: 1964-11-03
•
Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Fischer Stefan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:04
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/28; B29C49/30; B29C49/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN APPARATUS FOR FORMING HOLLOW OBJECTS COMPRISING: (A) MEANS FOR EXTRUDING TUBULAR MATERIAL IN WORKABLE FORM PERIODICALLY DOWNWARD, (B) A PLURALITY OF MOLD MEANS ADAPTED TO BE POSITIONED TO RECEIVE SAID TUBULAR MATERIAL PERIODICALLY, (C) EACH OF SAID MOLD MEANS BEING MOUNTED ON A TABLE, (D) CYLINDERS ON EACH OF SAID TABLES TO OPEN AND CLOSE EACH OF SAID MOLD MEANS, (E) HINGE MEANS AT ONE END OF EACH OF SAID TABLES
Claim 2
Independent Claim
72 words
AN APPARATUS FOR FORMING HOLLOW OBJECTS COMPRISING: (A) MEANS FOR EXTRUDING TUBULAR MATERIAL IN WORKABLE FORM PERIODICALLY DOWNWARD, (B) A PLURALITY OF MOLD MEANS ADAPTED TO BE POSITIONED TO RECEIVE SAID TUBULAR MATERIAL PERIODICALLY, (C) EACH OF SAID MOLD MEANS BEING MOUNTED ON A TABLE, (D) CYLINDERS ON EACH OF SAID TABLES TO OPEN AND CLOSE EACH OF SAID MOLD MEANS, (E) HINGE MEANS AT ONE END OF EACH OF SAID TABLES
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |