US3332658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold construction and method
Assignee: Individual
•
Filing: 1965-02-15
•
Granted: 1967-07-25
•
Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:33
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/02; A23G3/0236; A23G3/0252; A23G3/0263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A MOLD FOR CASTING ARTICLES OF A CASTING LIQUID COMPRISING, (A) A PAIR OF RELATIVELY THIN WALL MEMBERS FORMED OF A THERMOFORMABLE PLASTIC MATERIAL CONTIGUOUSLY DISPOSED, (B) SAID WALL MEMBERS BEING FORMED TO DEFINE THEREBETWEEN A MOLDING CAVITY HAVING AN INLET DISPOSED IN COMMUNICATION THEREWITH THROUGH WHICH THE MOLDABLE MATERIAL IS POURED, (C) MEANS FOR ALIGNING SAID COMPLEMENTARY WALL MEMBERS TO INSURE REGISTRATION OF SAID WALL MEMBERS, (D) A HOLDER FOR MAINTAINING SAID COMPLEMENTARY WALL MEMBERS IN REGISTRATION, AND (E) SAID HOLDER COMPRISING A SUBSTANTIALLY U-SHAPED MEMBER HAVING A BASE PORTION AND OPPOSED UPRIGHT LEG PORTIONS, SAID U-SHAPED MEMBER HAVING A SLOT FORMED THEREIN FOR SLIDABLY RECEIVING THE CONTIGUOUS PERIPHERAL EDGE PORTIONS OF SAID WALL MEMBERS.
Claim 2
Dependent Claim
116 words
A MOLD FOR CASTING ARTICLES OF A CASTING LIQUID COMPRISING, (A) A PAIR OF RELATIVELY THIN WALL MEMBERS FORMED OF A THERMOFORMABLE PLASTIC MATERIAL CONTIGUOUSLY DISPOSED, (B) SAID WALL MEMBERS BEING FORMED TO DEFINE THEREBETWEEN A MOLDING CAVITY HAVING AN INLET DISPOSED IN COMMUNICATION THEREWITH THROUGH WHICH THE MOLDABLE MATERIAL IS POURED, (C) MEANS FOR ALIGNING SAID COMPLEMENTARY WALL MEMBERS TO INSURE REGISTRATION OF SAID WALL MEMBERS, (D) A HOLDER FOR MAINTAINING SAID COMPLEMENTARY WALL MEMBERS IN REGISTRATION, AND (E) SAID HOLDER COMPRISING A SUBSTANTIALLY U-SHAPED MEMBER HAVING A BASE PORTION AND OPPOSED UPRIGHT LEG PORTIONS, SAID U-SHAPED MEMBER HAVING A SLOT FORMED THEREIN FOR SLIDABLY RECEIVING THE CONTIGUOUS PERIPHERAL EDGE PORTIONS OF SAID WALL MEMBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |