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US3533867A Expired / Lapsed US ⏱️ 0.0 years remaining

Methods for reducing electrical losses in and bonding of electrical inductive laminated structures

Assignee: General Electric Co
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Filing: 1967-01-13
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Granted: 1970-10-13
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Expires: 1987-01-13
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Abstract

No abstract record available.

Inventors

  • 👤 Harold R Van Derzee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:44
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/02; H02K15/021; H01; H01F; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/4902; Y10T29/49075; Y10T29/49078; Y10T29/53; Y10T29/5313; Y10T29/5317; Y10T29/53683

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2623920A Cited
US3045133A Cited
US3149372A Cited
US3222626A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-12 1974-04-13 1974-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-12 1978-04-13 1978-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-12 1982-04-13 1982-10-13 $7700.00 Window Closed / Lapsed

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