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US3084734A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for manufacturing transformer cores

Assignee: HK Porter Co Inc
•
Filing: 1960-02-23
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Granted: 1963-04-09
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Expires: 1980-02-23
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Joseph W Richardson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 12:04
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/0206; H01F41/0213; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/53; Y10T29/5313; Y10T29/5317; Y10T29/53526; Y10T29/5353

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 43 words
IN AN APPARATUS FOR PRODICING A LAMINATED TRANSFORMER CORE FORMED OF A PLURALITY OF STRIPS OF MAGNETIZABLE MATERIAL SUCCESSIVELY WOUND ABOUT ONE ANOTHER, IN AND MEANS FOR SIMULTANEOUSLY INTERRUPTING THE ROTATION OF SAID JIG AND THE WRAPPING OF SAID TAPE AT DESIRED IN-
Claim 2
Dependent Claim 43 words
IN AN APPARATUS FOR PRODICING A LAMINATED TRANSFORMER CORE FORMED OF A PLURALITY OF STRIPS OF MAGNETIZABLE MATERIAL SUCCESSIVELY WOUND ABOUT ONE ANOTHER, IN AND MEANS FOR SIMULTANEOUSLY INTERRUPTING THE ROTATION OF SAID JIG AND THE WRAPPING OF SAID TAPE AT DESIRED IN-

References Cited (Backward Citations)

US1977503A Cited
US2141151A Cited
US2264800A Cited
GB611953A Cited
US2542806A Cited
US2588173A Cited
US2767382A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-08 1966-10-08 1967-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-08 1970-10-08 1971-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-08 1974-10-08 1975-04-09 $7700.00 Window Closed / Lapsed

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