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US2789875A Expired / Lapsed US ⏱️ 0.0 years remaining

Elevating and supporting device

Assignee: AC Weber and Co Inc
•
Filing: 1955-04-05
•
Granted: 1957-04-23
•
Expires: 1975-04-05
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Abstract

No abstract record available.

Inventors

  • 👤 Jay H Van Ordt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:02
CPC Classifications
D; D05; D05B; D05B75/00; D05B75/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2154; Y10T74/2158

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US180644A Cited
US541474A Cited
US1598551A Cited
US1769964A Cited
US2026454A Cited
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US2713820A Cited
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US2700585A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-04-22 1960-10-22 1961-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-04-22 1964-10-22 1965-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-04-22 1968-10-22 1969-04-23 $7700.00 Window Closed / Lapsed

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