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US3086825A Expired / Lapsed US ⏱️ 0.0 years remaining

Shaft seal

Assignee: Controls Company of America
•
Filing: 1960-07-12
•
Granted: 1963-04-23
•
Expires: 1980-07-12
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Abstract

No abstract record available.

Inventors

  • 👤 Donald E Hilden
  • 👤 Jacob N Groeneveld

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 00:14
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/54; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/219; Y10T74/2191

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 49 words
A BEARING STRUCTURE FOR AN ELECTRIC MOTOR COMPRISING, A BEARING, A MOTOR SHAFT SUPPORTED BY SAID BEARING, BEARING SUPPORT MEANS, A CONICAL GASKET FORMING A STATIC SEAL BETWEEN SAID BEARING AND SAID BEARING SUPPORT MEANS, AND A CYLINDRICAL DYNAMIC SEAL INTEGRAL WITH SAID GASKET SEALINGLY ENGAGING SAID MOTOR SHAFT.

References Cited (Backward Citations)

US2145928A Cited
US2272029A Cited
US2284869A Cited
US2568056A Cited
US2668086A Cited
US2747834A Cited
US2804324A Cited
US2765023A Cited
US2878046A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-22 1966-10-22 1967-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-22 1970-10-22 1971-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-22 1974-10-22 1975-04-23 $7700.00 Window Closed / Lapsed

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