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US2853346A Expired / Lapsed US ⏱️ 0.0 years remaining

Bearings

Assignee: ADAMSON STEPHENS Manufacturing CO
•
Filing: 1955-05-10
•
Granted: 1958-09-23
•
Expires: 1975-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred L Spangenberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:55
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/1065; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C33/1045; F16C7/00; F16C7/02; F16C9/00; F16C9/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US470202A Cited
US1175288A Cited
GB527197A Cited
US2382773A Cited
US2464492A Cited
US2626841A Cited
US2498011A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-09-22 1962-03-24 1962-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-09-22 1966-03-24 1966-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-09-22 1970-03-24 1970-09-23 $7700.00 Window Closed / Lapsed

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