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US3413388A Expired / Lapsed US ⏱️ 0.0 years remaining

Rectangular extrusion

Assignee: Haveg Industries Inc
•
Filing: 1965-05-24
•
Granted: 1968-11-26
•
Expires: 1985-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 John H Lux
  • 👤 Ernest O Ohsol

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 09:05
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C44/36; B29C44/46; B29C44/50; B29C44/507

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2209643A Cited
US2644983A Cited
US3026564A Cited
US3121130A Cited
US3174887A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-11-26 1972-05-27 1972-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-11-26 1976-05-27 1976-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-11-26 1980-05-27 1980-11-26 $7700.00 Window Closed / Lapsed

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