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US3147540A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing encapsulated electrical units

Assignee: Rea Magnet Wire Co Inc
•
Filing: 1960-11-04
•
Granted: 1964-09-08
•
Expires: 1980-11-04
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Whearley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 18:56
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/127; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49146

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US812657A Cited
US1281744A Cited
US1661953A Cited
US1739246A Cited
US2195233A Cited
US2392790A Cited
US2707693A Cited
GB710711A Cited
US2982889A Cited
US2988804A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-08 1968-03-09 1968-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-08 1972-03-09 1972-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-08 1976-03-09 1976-09-08 $7700.00 Window Closed / Lapsed

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