Patent US2901773A successfully refreshed from Google Patents.
US2901773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
An improved foam rubber mold
Assignee: Goodrich Corp
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Filing: 1956-05-08
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Granted: 1959-09-01
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Expires: 1976-05-08
Abstract
No abstract record available.
Inventors
- 👤 Talalay Anselm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:25
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/146; B; B29; B29C; B29C33/00; B29C33/0033; B29C33/10; B29C44/00; B29C44/34; B29C44/58; B29C44/583; B29C44/588; B29C33/76; Y; Y10; Y10S; Y10S425/00; Y10S425/812; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24744
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A MOLD COMPRISING A PAIR OF SEPARABLE MOLD SECTIONS WHICH DEFINE A MOLD CAVITY FOR SHAPING ARTICLES THEREIN WHEN SAID MOLD IS CLOSED, AT LEAST ON OF SAID MOLD SECTIONS HAVING AFFIXED THERETO A PLURALITY OF CORING PINS WHICH PROJECT INTO SAID MOLD CAVITY AND TERMINATE SHORT OF THE INNER FACE OF THE MOLD SECTION OPPOSING SAID PINS WHEN THE MOLD IS CLOSED, SAID PINS BEING HOLLOW AND HAVING THE ENDS THEREOF WHICH PORJECT FURTHERMOST INTO SAID MOLD CAVITY OPEN WHEREBY MOLDING COMPOSITION INTRODUCED INTO SAID MOLD CAVITY CAN FLOW INTO THE HOLLOW INTERIOR OF SAID PINS, AND EACH SAID PIN HAVING AT LEAST ONE SLOT THROUGH THE WALL THEREOF EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF SAID PIN FROM THE SAID OPEN END OF THE PIN TOWARD THE SURFACE OF THE MOLD SECTION TO WHICH SAID PIN IS AFFIXED WHEREBY AIR IS VENTED FROMTHE HOLLOW INTERIOR OF SAID PIN WHEN MOLDING COMPOSITION FLOW INTO THE HOLLOW INTERIOR OF SAID PIN DURING THE FILLIN GOF THE MOLD.
Claim 2
Dependent Claim
167 words
A MOLD COMPRISING A PAIR OF SEPARABLE MOLD SECTIONS WHICH DEFINE A MOLD CAVITY FOR SHAPING ARTICLES THEREIN WHEN SAID MOLD IS CLOSED, AT LEAST ON OF SAID MOLD SECTIONS HAVING AFFIXED THERETO A PLURALITY OF CORING PINS WHICH PROJECT INTO SAID MOLD CAVITY AND TERMINATE SHORT OF THE INNER FACE OF THE MOLD SECTION OPPOSING SAID PINS WHEN THE MOLD IS CLOSED, SAID PINS BEING HOLLOW AND HAVING THE ENDS THEREOF WHICH PORJECT FURTHERMOST INTO SAID MOLD CAVITY OPEN WHEREBY MOLDING COMPOSITION INTRODUCED INTO SAID MOLD CAVITY CAN FLOW INTO THE HOLLOW INTERIOR OF SAID PINS, AND EACH SAID PIN HAVING AT LEAST ONE SLOT THROUGH THE WALL THEREOF EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF SAID PIN FROM THE SAID OPEN END OF THE PIN TOWARD THE SURFACE OF THE MOLD SECTION TO WHICH SAID PIN IS AFFIXED WHEREBY AIR IS VENTED FROMTHE HOLLOW INTERIOR OF SAID PIN WHEN MOLDING COMPOSITION FLOW INTO THE HOLLOW INTERIOR OF SAID PIN DURING THE FILLIN GOF THE MOLD.
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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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |