Patent US3255493A successfully refreshed from Google Patents.
US3255493A
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US
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Mold for injection molding a shoe sole
Assignee: United Shoe Machinery Corp
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Filing: 1963-08-06
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Granted: 1966-06-14
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Expires: 1983-08-06
Abstract
No abstract record available.
Inventors
- 👤 Kingsley J Tutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:36
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0009; B29D35/0018; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN AN INJECTION MOLDING MACHINE, A MOLD ASSEMBLY INCLUDING MOLD MEMBER HAVING INNER SURFACES DEFINING PERIPHERAL CONTOURS OF A SHOE SOLE, SAID MOLD MEMBERS HAVING AT ONE END PORTION OF THE MOLD ASSEMBLY PLANE PARTING FACES, THE PARTING FACES BEING CHARACTERIZED BY THE FORMATION THEREIN OF MATCHING RECESSES WHICH COOPERATE WHEN THE PARTING FACES ARE MUTUALLY CONTACTING TO FORM A RECEPTACLE FOR AN INJECTION NOZZLE, SAID PARTING FACES BEING FURTHER CHARACTERIZED BY THE FORMATION THEREIN OF MATCHING RECESSES WHICH COOPERATE WHEN THE PARTING FACES ARE MUTUALLY CONTACTING TO FORM A CHAMBER FOR RECEIVING A VALVE BODY, SAID PARTING FACES BEING STILL FURTHER CHARACTERIZED BY THE FORMATION THEREIN OF MATCHING RECESSES WHICH COOPERATE WHEN THE PARTING FACES ARE MUTUALLY CONTACTING TO FORM A FIRST PASSAGE CONNECTING THE RECEPTACLE
Claim 2
Dependent Claim
127 words
IN AN INJECTION MOLDING MACHINE, A MOLD ASSEMBLY INCLUDING MOLD MEMBER HAVING INNER SURFACES DEFINING PERIPHERAL CONTOURS OF A SHOE SOLE, SAID MOLD MEMBERS HAVING AT ONE END PORTION OF THE MOLD ASSEMBLY PLANE PARTING FACES, THE PARTING FACES BEING CHARACTERIZED BY THE FORMATION THEREIN OF MATCHING RECESSES WHICH COOPERATE WHEN THE PARTING FACES ARE MUTUALLY CONTACTING TO FORM A RECEPTACLE FOR AN INJECTION NOZZLE, SAID PARTING FACES BEING FURTHER CHARACTERIZED BY THE FORMATION THEREIN OF MATCHING RECESSES WHICH COOPERATE WHEN THE PARTING FACES ARE MUTUALLY CONTACTING TO FORM A CHAMBER FOR RECEIVING A VALVE BODY, SAID PARTING FACES BEING STILL FURTHER CHARACTERIZED BY THE FORMATION THEREIN OF MATCHING RECESSES WHICH COOPERATE WHEN THE PARTING FACES ARE MUTUALLY CONTACTING TO FORM A FIRST PASSAGE CONNECTING THE RECEPTACLE
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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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |