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US3499739A Expired / Lapsed US ⏱️ 0.0 years remaining

Bimetallic token with annular ring having different permeability than inner portion

Assignee: NEW FRANKLIN MINT
•
Filing: 1966-04-27
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Granted: 1970-03-10
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Expires: 1986-04-27
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph M Segel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:11
CPC Classifications
H; H01; H01F; H01F1/00; G; G07; G07F; G07F1/00; G07F1/06; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10S428/928; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12229; Y10T428/12236; Y10T428/12243; Y10T428/1225; Y10T428/12347; Y10T428/12389; Y10T428/12465; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12986

Claims Analysis

Total Claims: 0
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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) 1973-03-09 1973-09-08 1974-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-03-09 1977-09-08 1978-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-03-09 1981-09-08 1982-03-10 $7700.00 Window Closed / Lapsed

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