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US637206A Expired / Lapsed US ⏱️ 0.0 years remaining

Ball-bearing.

Assignee: Individual
•
Filing: 1898-10-12
•
Granted: 1899-11-14
•
Expires: 1918-10-12
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Abstract

No abstract record available.

Inventors

  • 👤 Frederick H Heath

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 08:46
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/38; F16C33/40; F16C19/00; F16C19/02; F16C19/14; F16C19/18; F16C19/181; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/086; F16C2326/00; F16C2326/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1902-11-14 1903-05-16 1903-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1906-11-14 1907-05-16 1907-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1910-11-14 1911-05-16 1911-11-15 $7700.00 Window Closed / Lapsed

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