US3138827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making a plastic part
Assignee: Don Baxter Inc
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Filing: 1961-08-21
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Granted: 1964-06-30
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Donald A Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:03
CPC Classifications
B; B29; B29C; B29C33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A MOLD HAVING AT LEAST THREE CORE PINS FOR FORMING A PLASTIC PART HAVING A SINGLE PASSAGE WHICH IS DIVIDED INTO AT LEAST TWO PASSAGES COMPRISING; A FIRST MOLD SECTION DESIGNED TO FORM A PORTION OF THE OUTER SURFACE OF THE PART; A SINGLE PIN EXTENDING AXIALLY INTO SAID MOLD SECTION; A TIP SECTION ON SAID SINGLE PIN, SAID TIP SECTION SLANTING AXIALLY INWARDLY ON AT LEAST TWO OPPOSED SIDES; A SECOND MOLD SECTION ADAPTED TO FORM A FURTHER PORTION OF THE OUTER SURFACE OF THE PART; AT LEAST TWO PINS EXTENDING FROM SAID SECOND MOLD SECTION TOWARDS THE FIRST MOLD SECTION, THE PINS OF AT LEAST ONE MOLD SECTION BEING MOV-
Claim 2
Dependent Claim
112 words
A MOLD HAVING AT LEAST THREE CORE PINS FOR FORMING A PLASTIC PART HAVING A SINGLE PASSAGE WHICH IS DIVIDED INTO AT LEAST TWO PASSAGES COMPRISING; A FIRST MOLD SECTION DESIGNED TO FORM A PORTION OF THE OUTER SURFACE OF THE PART; A SINGLE PIN EXTENDING AXIALLY INTO SAID MOLD SECTION; A TIP SECTION ON SAID SINGLE PIN, SAID TIP SECTION SLANTING AXIALLY INWARDLY ON AT LEAST TWO OPPOSED SIDES; A SECOND MOLD SECTION ADAPTED TO FORM A FURTHER PORTION OF THE OUTER SURFACE OF THE PART; AT LEAST TWO PINS EXTENDING FROM SAID SECOND MOLD SECTION TOWARDS THE FIRST MOLD SECTION, THE PINS OF AT LEAST ONE MOLD SECTION BEING MOV-
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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |