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US1656647A Expired / Lapsed US ⏱️ 0.0 years remaining

Foundation board

Assignee: Individual
•
Filing: 1924-09-29
•
Granted: 1928-01-17
•
Expires: 1944-09-29
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Abstract

No abstract record available.

Inventors

  • 👤 Regenstein Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:59
CPC Classifications
B; B62; B62D; B62D29/00; Y; Y10; Y10S; Y10S296/00; Y10S296/90; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31768; Y10T428/31772; Y10T428/31775

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) 1931-01-16 1931-07-18 1932-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-01-16 1935-07-18 1936-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-01-16 1939-07-18 1940-01-17 $7700.00 Window Closed / Lapsed

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