US3302243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the injection molding of plastic articles especially shoes
Assignee: Individual
•
Filing: 1964-04-16
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Granted: 1967-02-07
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Herbert P Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:11
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/04; B29C45/0441; B29C45/16; B29C45/1615; B29D; B29D35/00; B29D35/06; B29D35/08; B29D35/081; B29D35/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
INJECTION MOLDING APPARATUS FOR MOLDING HOLLOW PLASTIC ARTICLES COMPRISING, IN COMBINATION, SUPPORT MEANS, A PAIR OF SIDE MOLD PARTS, MEANS PIVOTALLY MOUNTING ONE END OF EACH SIDE MOLD PART OF THE SUPPORT MEANS, A FORM MOUNTED ON THE SUPORT IN A FIXED POSITION BETWEEN SAID SIDE MOLD PARTS, SAID SIDE MOLD PARTS CONTAINING RECESSES WHICH COLLECTIVELY FORM A CAVITY SURROUNDING THE SIDES OF THE FORM,AND END MOLD PART CONTAINING CAVITIES OF DIFFERENT DEPTH, AND END MOLD PART SUPPORT, ONE END OF WHICH IS MOUNTED ON THE DISTAL END OF ONE OF THE SIDE MOLD PARTS FOR MOVEMENT THEREWITH TOWARD THE OTHER SIDE MOLD PART AND FOR PIVOTAL MOVEMENT FOLLOWING ENGAGEMENT OF THE
Claim 2
Dependent Claim
112 words
INJECTION MOLDING APPARATUS FOR MOLDING HOLLOW PLASTIC ARTICLES COMPRISING, IN COMBINATION, SUPPORT MEANS, A PAIR OF SIDE MOLD PARTS, MEANS PIVOTALLY MOUNTING ONE END OF EACH SIDE MOLD PART OF THE SUPPORT MEANS, A FORM MOUNTED ON THE SUPORT IN A FIXED POSITION BETWEEN SAID SIDE MOLD PARTS, SAID SIDE MOLD PARTS CONTAINING RECESSES WHICH COLLECTIVELY FORM A CAVITY SURROUNDING THE SIDES OF THE FORM,AND END MOLD PART CONTAINING CAVITIES OF DIFFERENT DEPTH, AND END MOLD PART SUPPORT, ONE END OF WHICH IS MOUNTED ON THE DISTAL END OF ONE OF THE SIDE MOLD PARTS FOR MOVEMENT THEREWITH TOWARD THE OTHER SIDE MOLD PART AND FOR PIVOTAL MOVEMENT FOLLOWING ENGAGEMENT OF THE
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |