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US3478993A Expired / Lapsed US ⏱️ 0.0 years remaining

Vertically adjustable shelf

Assignee: VICTORY SHELVING CO
•
Filing: 1967-10-31
•
Granted: 1969-11-18
•
Expires: 1987-10-31
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Abstract

No abstract record available.

Inventors

  • 👤 Ronald M Wyeroski
  • 👤 Mindert P Bokma

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:01
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/06; A47B57/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US866695A Cited
US1472260A Cited
US3132609A Cited
GB1021879A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-11-17 1973-05-19 1973-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-11-17 1977-05-19 1977-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-11-17 1981-05-19 1981-11-18 $7700.00 Window Closed / Lapsed

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