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US54404A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in the manufacture of paper collars

Assignee: —
•
Filing: —
•
Granted: 1866-05-01
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Expires: 1883-05-01
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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 2026-10-22 18:49
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612; Y10T428/24777; Y10T428/31504; Y10T428/31971; Y10T428/31993

Claims Analysis

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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) 1869-04-30 1869-10-30 1870-05-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1873-04-30 1873-10-30 1874-05-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1877-04-30 1877-10-30 1878-05-01 $7700.00 Window Closed / Lapsed

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