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US3043923A Expired / Lapsed US ⏱️ 0.0 years remaining

Solar switch

Assignee: NIHON DENKI TOKEI CO Ltd
•
Filing: 1959-05-07
•
Granted: 1962-07-10
•
Expires: 1979-05-07
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Abstract

No abstract record available.

Inventors

  • 👤 Sonobe Shiro
  • 👤 Tominaga Osamu
  • 👤 Nomura Kanji

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 03:00
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1413075A Cited
US1495112A Cited
US2792468A Cited
US2780765A Cited
US2975335A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-09 1966-01-08 1966-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-09 1970-01-08 1970-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-09 1974-01-08 1974-07-10 $7700.00 Window Closed / Lapsed

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