Patent US3400429A successfully refreshed from Google Patents.
US3400429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding apparatus for articles, especially footwear
Assignee: Individual
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Filing: 1966-09-29
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Granted: 1968-09-10
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Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Ludwig Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:25
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0009; B29D35/0018; A; A43; A43B; A43B1/00; A43B1/0027; A43B3/00; A43B3/02; B29D35/06; B29D35/08; B29D35/081; B29D35/084; F; F16; F16L; F16L41/00; F16L41/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
INJECTION MOLDING APPARATUS COMPRISING A MOLD HAVING MOVABLE MOLD PARTS INCLUDING SIDE MEMBERS SURROUNDING A LAST DEFINING A FIRST CAVITY, AND A BOTTOM MOLD MEMBER PROVIDED WITH A SOLE PLATE MOVABLE BETWEEN A FIRST POSITION IN PROXIMITY TO THE BOTTOM OF SAID LAST DEFINING A SECOND CAVITY AND A SECOND POSITION AT A DISTANCE FROM THE BOTTOM OF SAID LAST DEFINING A THIRD CAVITY LARGER THAN SAID SECOND CAVITY, SAID BOTTOM MOLD MEMBER INCLUDING A COVER MOVABLE TOWARD AND AWAY FROM SAID SIDE MEMBERS AND ALSO PIVOTALLY MOVABLE WITH RESPECT TO SAID LAST.
Claim 2
Dependent Claim
93 words
INJECTION MOLDING APPARATUS COMPRISING A MOLD HAVING MOVABLE MOLD PARTS INCLUDING SIDE MEMBERS SURROUNDING A LAST DEFINING A FIRST CAVITY, AND A BOTTOM MOLD MEMBER PROVIDED WITH A SOLE PLATE MOVABLE BETWEEN A FIRST POSITION IN PROXIMITY TO THE BOTTOM OF SAID LAST DEFINING A SECOND CAVITY AND A SECOND POSITION AT A DISTANCE FROM THE BOTTOM OF SAID LAST DEFINING A THIRD CAVITY LARGER THAN SAID SECOND CAVITY, SAID BOTTOM MOLD MEMBER INCLUDING A COVER MOVABLE TOWARD AND AWAY FROM SAID SIDE MEMBERS AND ALSO PIVOTALLY MOVABLE WITH RESPECT TO SAID LAST.
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |