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US3514211A Expired / Lapsed US ⏱️ 0.0 years remaining

Pencil

Assignee: Individual
•
Filing: 1968-03-12
•
Granted: 1970-05-26
•
Expires: 1988-03-12
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Abstract

No abstract record available.

Inventors

  • 👤 Yasuyuki Hashimoto
  • 👤 Osamu Torii

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:52
CPC Classifications
B; B43; B43K; B43K21/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1729791A Cited
US1737862A Cited
US1729814A Cited
US1745658A Cited
US2026815A Cited
US2109604A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-25 1973-11-24 1974-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-25 1977-11-24 1978-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-25 1981-11-24 1982-05-26 $7700.00 Window Closed / Lapsed

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