US2724862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for embedding transformers
Assignee: Elastic Stop Nut Corp
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Filing: 1954-05-21
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Granted: 1955-11-29
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Expires: 1974-05-21
Abstract
No abstract record available.
Inventors
- 👤 Leslie M Merrill
- 👤 Gustav V Karlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:45
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14639; H; H01; H01F; H01F27/00; H01F27/02; H01F27/022; H01F41/00; H01F41/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
MOLDING APPARATUS COMPRISING SEPARABLE METAL MOLD MEMBERS HAVING CONFRONTING RECESSES FORMING A MOLDING CAVITY BETWEEN THEM WHEN THE MOLD IS CLOSED, CENTERING PINS EXTENDING INWARDLY FROM THE WALL OF THE CAVITY FOR FIXING AN ARTICLE IN THE CAVITY IN SPACED RELATION FROM THE WALLS THEREOF, ONE OR MORE SPRUE PASSAGES FOR CONDUCTING MOLDING MATERIAL TO THE CAVITY, A VENT PASSAGE LEADING FROM THE CAVITY AND A PLURALITY OF PASSAGES EACH FORMED BY CONFRONTING GROOVES EXTENDING FROM THE CAVITY TO THE EXTERIOR OF THE MOLD, THE WALLS OF SAID GROOVES BEING TRANSVERSELY RIDGED TO CLAMP ELEMENTS EXTENDING FROM SAID ARTICLE TO THE EXTERIOR OF THE MOLD AGAINST MOLDING PRESSURE TENDING TO EXTRUDE SAID ELEMENTS FROM THE MOLD.
Claim 2
Dependent Claim
116 words
MOLDING APPARATUS COMPRISING SEPARABLE METAL MOLD MEMBERS HAVING CONFRONTING RECESSES FORMING A MOLDING CAVITY BETWEEN THEM WHEN THE MOLD IS CLOSED, CENTERING PINS EXTENDING INWARDLY FROM THE WALL OF THE CAVITY FOR FIXING AN ARTICLE IN THE CAVITY IN SPACED RELATION FROM THE WALLS THEREOF, ONE OR MORE SPRUE PASSAGES FOR CONDUCTING MOLDING MATERIAL TO THE CAVITY, A VENT PASSAGE LEADING FROM THE CAVITY AND A PLURALITY OF PASSAGES EACH FORMED BY CONFRONTING GROOVES EXTENDING FROM THE CAVITY TO THE EXTERIOR OF THE MOLD, THE WALLS OF SAID GROOVES BEING TRANSVERSELY RIDGED TO CLAMP ELEMENTS EXTENDING FROM SAID ARTICLE TO THE EXTERIOR OF THE MOLD AGAINST MOLDING PRESSURE TENDING TO EXTRUDE SAID ELEMENTS FROM THE MOLD.
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) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |