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US2524905A Expired / Lapsed US ⏱️ 0.0 years remaining

Forward and reverse friction gear transmission

Assignee: Svenska AB Gasaccumulator
•
Filing: 1946-01-22
•
Granted: 1950-10-10
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Expires: 1966-01-22
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Abstract

No abstract record available.

Inventors

  • 👤 Granqvist Carl-Erik

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:41
CPC Classifications
F; F16; F16H; F16H13/00; F16H13/10; F16H13/12; F16H15/00; F16H15/48; F16H3/00; F16H3/02; F16H3/08; F16H3/14; G; G05; G05G; G05G17/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US272988A Cited
US745814A Cited
FR20897E Cited
GB204512A Cited
US1768859A Cited
US2113456A Cited
FR769261A Cited
US2081824A Cited
US2138129A Cited
US2253535A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-10-09 1954-04-10 1954-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-10-09 1958-04-10 1958-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-10-09 1962-04-10 1962-10-10 $7700.00 Window Closed / Lapsed

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