US3402232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of shaped objects of thermoplastic materials
Assignee: International Assemblix Corp
•
Filing: 1966-04-20
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Granted: 1968-09-17
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Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Rusha Francis A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:13
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/006; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0259; Y10T83/869; Y10T83/875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A METHOD OF FABRICATING THREE DIMENSIONAL SHAPED OBJECTS OF THERMOPLASTIC MATERIAL, SAID OBJECTS HAVING PREDETERMINED OUTLINES DEFINED BY SIDE SURFACES NORMAL TO PLANAR REAR SURFACES AND EACH HAVING AT LEAST ONE OBLIQUE SURFACE AT AN ACUTE ANGLE TO SAID SIDE AND REAR SURFACES, COMPRISING THE STEPS OF: (A) SHAPING A BLANK CONFORMING TO SAID PREDETERMINED OUTLINE DEFINED BY SAID NORMAL SIDE SURFACES FROM A PIECE OF SAID THERMOPLASTIC MATERIAL HAVING PARALLEL AND SPACED FRONT AND REAR FACES, (B) PLACING SAID BLANK IN A SHAPED LOWER JIG CORRESPONDING TO SAID PREDETERMINED OUTLINE AND HAVING A LOWER GUIDE MEMBER EXTENDING CONTIGUOUSLY ALONG SAID SIDE SURFACES AND LYING IN A PLANE PARALLEL TO AND SPACED A PREDETERMINED DISTANCE FROM SAID BACK SURFACE OF SAID BLANK, (C) POSITIONING A SHAPED UPPER GUIDE MEMBER UPON SAID FRONT FACE OF SAID BLANK AT A PREDETERMINED DISTANCE FROM SAID SIDE SURFACES, (D) GUIDING A FORMING TOOL ALONG SAID LOWER AND UPPER GUIDE MEMBERS FOR FORMING SAID OBLIQUE SURFACE, (E) AND REMOVING MATERIAL ABOVE SAID OBLIQUE SURFACE FROM THE REMAINDER OF SAID BLANK.
Claim 2
Independent Claim
175 words
A METHOD OF FABRICATING THREE DIMENSIONAL SHAPED OBJECTS OF THERMOPLASTIC MATERIAL, SAID OBJECTS HAVING PREDETERMINED OUTLINES DEFINED BY SIDE SURFACES NORMAL TO PLANAR REAR SURFACES AND EACH HAVING AT LEAST ONE OBLIQUE SURFACE AT AN ACUTE ANGLE TO SAID SIDE AND REAR SURFACES, COMPRISING THE STEPS OF: (A) SHAPING A BLANK CONFORMING TO SAID PREDETERMINED OUTLINE DEFINED BY SAID NORMAL SIDE SURFACES FROM A PIECE OF SAID THERMOPLASTIC MATERIAL HAVING PARALLEL AND SPACED FRONT AND REAR FACES, (B) PLACING SAID BLANK IN A SHAPED LOWER JIG CORRESPONDING TO SAID PREDETERMINED OUTLINE AND HAVING A LOWER GUIDE MEMBER EXTENDING CONTIGUOUSLY ALONG SAID SIDE SURFACES AND LYING IN A PLANE PARALLEL TO AND SPACED A PREDETERMINED DISTANCE FROM SAID BACK SURFACE OF SAID BLANK, (C) POSITIONING A SHAPED UPPER GUIDE MEMBER UPON SAID FRONT FACE OF SAID BLANK AT A PREDETERMINED DISTANCE FROM SAID SIDE SURFACES, (D) GUIDING A FORMING TOOL ALONG SAID LOWER AND UPPER GUIDE MEMBERS FOR FORMING SAID OBLIQUE SURFACE, (E) AND REMOVING MATERIAL ABOVE SAID OBLIQUE SURFACE FROM THE REMAINDER OF SAID BLANK.
References Cited (Backward Citations)
US2122261A
Cited
US2677747A
Cited
US2692328A
Cited
US2805692A
Cited
US2990861A
Cited
US3191500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |