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US3057433A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid line lubrication indicating method

Assignee: MILLGARD Corp A CORP OF MICH
•
Filing: 1961-08-07
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Granted: 1962-10-09
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Expires: 1981-08-07
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Abstract

No abstract record available.

Inventors

  • 👤 Rusche Fredric

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:18
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/30; F16N7/32; F16N7/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US700797A Cited
US1055139A Cited
US956101A Cited
US1185888A Cited
GB213430A Cited
US2304644A Cited
US2500816A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-08 1966-04-09 1966-10-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-08 1970-04-09 1970-10-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-08 1974-04-09 1974-10-09 $7700.00 Window Closed / Lapsed

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