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Assignee: —
•
Filing: —
•
Granted: 1881-09-20
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Expires: 1898-09-20
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:18
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/12; G01P1/122; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/18; Y10T74/18056; Y10T74/18288; Y10T74/18528; Y10T74/21; Y10T74/2101; Y10T74/2107

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) 1884-09-19 1885-03-21 1885-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1888-09-19 1889-03-21 1889-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1892-09-19 1893-03-21 1893-09-20 $7700.00 Window Closed / Lapsed

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