US3075265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable core pin with elongated hollow space
Assignee: Motors Liquidation Co
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Filing: 1960-11-02
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Granted: 1963-01-29
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Expires: 1980-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richard V Stumph
- 👤 Harry A Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:26
CPC Classifications
B; B22; B22D; B22D15/00; B22D15/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A CORE PIN FOR USE IN PERMANENT MOLDS COMPRISING A BASE PORTION AND A CORE PORTION DETACHABLY SECURED TO ONE ANOTHER IN AN ALIGNED RELATION, SAID BASE PORTION HAVING TRANSVERSELY EXTENDING MEANS FOR SECURING THE CORE PIN IN A MOLD, SAID CORE PORTION HAVING AN ELONGATED HOLLOW SPACE THEREIN ADAPTED TO EXTEND FROM A POINT WITHIN THE MOLD BODY TO A POINT WITHIN THE MOLD CAVITY WHEN THE CORE PIN IS ASSOCIATED WITH A MOLD SAID CORE PORTION HAVING A CYLINDRICAL SECTION ADAPTED TO ENGAGE THE SAID MOLD BODY.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |