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US921057A Expired / Lapsed US ⏱️ 0.0 years remaining

Baby-jumper.

Assignee: Individual
•
Filing: 1908-09-30
•
Granted: 1909-05-11
•
Expires: 1928-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 Archie E Ayers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:10
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/10; A47D13/107; A47D1/00; A47D1/10; A47D13/105

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) 1912-05-10 1912-11-09 1913-05-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1916-05-10 1916-11-09 1917-05-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1920-05-10 1920-11-09 1921-05-11 $7700.00 Window Closed / Lapsed

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