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US3484889A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Cooper Industries LLC
•
Filing: 1967-09-25
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Granted: 1969-12-23
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Expires: 1987-09-25
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Abstract

No abstract record available.

Inventors

  • 👤 William Mccandless

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:49
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L9/00; A47L9/20; E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0854

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1268304A Cited
US1459968A Cited
US1610119A Cited
US3186021A Cited
US3160908A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-22 1973-06-23 1973-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-22 1977-06-23 1977-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-22 1981-06-23 1981-12-23 $7700.00 Window Closed / Lapsed

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