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US649003A Expired / Lapsed US ⏱️ 0.0 years remaining

Envelop for storage batteries.

Assignee: Individual
•
Filing: 1899-10-07
•
Granted: 1900-05-08
•
Expires: 1919-10-07
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Abstract

No abstract record available.

Inventors

  • 👤 Elmer A Sperry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:33
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/463; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1903-05-08 1903-11-07 1904-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-05-08 1907-11-07 1908-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-05-08 1911-11-07 1912-05-08 $7700.00 Window Closed / Lapsed

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