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US861418A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for making pneumatic diaphragms.

Assignee: Individual
•
Filing: 1904-12-12
•
Granted: 1907-07-30
•
Expires: 1924-12-12
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Abstract

No abstract record available.

Inventors

  • 👤 Morris S Wright

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:21
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/02; B29C63/04

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) 1910-07-29 1911-01-28 1911-07-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1914-07-29 1915-01-28 1915-07-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1918-07-29 1919-01-28 1919-07-30 $7700.00 Window Closed / Lapsed

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