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US707985A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of making laundry starch.

Assignee: William H Tolhurst & Son
•
Filing: 1898-02-03
•
Granted: 1902-08-26
•
Expires: 1918-02-03
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Abstract

No abstract record available.

Inventors

  • 👤 Charles H Tolhurst
  • 👤 Abel G Goldthwait

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 01:19
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/12

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) 1905-08-25 1906-02-24 1906-08-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1909-08-25 1910-02-24 1910-08-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1913-08-25 1914-02-24 1914-08-26 $7700.00 Window Closed / Lapsed

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