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USRE25458E Expired / Lapsed US ⏱️ 0.0 years remaining

Barth ctal

Assignee: —
•
Filing: —
•
Granted: 1963-10-08
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Expires: 1980-10-08
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:18
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/34; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H3/097; F16H63/3023; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19167; Y10T74/19219; Y10T74/19233; Y10T74/19242

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-07 1967-04-08 1967-10-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-07 1971-04-08 1971-10-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-07 1975-04-08 1975-10-08 $7700.00 Window Closed / Lapsed

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