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US3430187A Expired / Lapsed US ⏱️ 0.0 years remaining

Marine plug

Assignee: GEORGE G ROBERTS
•
Filing: 1968-03-11
•
Granted: 1969-02-25
•
Expires: 1988-03-11
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Abstract

No abstract record available.

Inventors

  • 👤 Heiko T De Man
  • 👤 George G Roberts
  • 👤 Henry Nakagawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 03:59
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/46; H01R13/52; H01R13/5219; H01R13/5221; H01R13/58; H01R13/59; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3969

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE570905C Cited
US2554585A Cited
US2886090A Cited
US3307138A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-02-25 1972-08-26 1973-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-02-25 1976-08-26 1977-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-02-25 1980-08-26 1981-02-25 $7700.00 Window Closed / Lapsed

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