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US3440784A Expired / Lapsed US ⏱️ 0.0 years remaining

Tongue and groove plank

Assignee: VEIKKO F ONJUKKA
•
Filing: 1966-09-30
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Granted: 1969-04-29
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Expires: 1986-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 Veikko F Onjukka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 14:02
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/12; E04C3/14; E04B; E04B2/00; E04B2/56; E04B2/70; E04B2/701; E04B2/702

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA476660A Cited
GB175335A Cited
DE944089C Cited
US3189950A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-04-28 1972-10-28 1973-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-28 1976-10-28 1977-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-28 1980-10-28 1981-04-29 $7700.00 Window Closed / Lapsed

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