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US2969645A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulically operated chair

Assignee: BELVEDERE PRODUCTS Inc
•
Filing: 1959-07-06
•
Granted: 1961-01-31
•
Expires: 1979-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 Walter J Kiefer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 19:27
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US644641A Cited
US885564A Cited
US1136617A Cited
US2711632A Cited
US2854061A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-01-31 1964-08-01 1965-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-01-31 1968-08-01 1969-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-01-31 1972-08-01 1973-01-31 $7700.00 Window Closed / Lapsed

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