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US239291A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: —
•
Filing: —
•
Granted: 1881-03-22
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Expires: 1898-03-22
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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 2026-10-25 03:02
CPC Classifications
F; F16; F16B; F16B45/00; F16B45/04; F16B45/057; A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2042; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8757

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) 1884-03-21 1884-09-20 1885-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1888-03-21 1888-09-20 1889-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1892-03-21 1892-09-20 1893-03-22 $7700.00 Window Closed / Lapsed

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