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US1228708A Expired / Lapsed US ⏱️ 0.0 years remaining

Gate.

Assignee: FIRST TRUST AND SAVINGS Co
•
Filing: 1915-06-21
•
Granted: 1917-06-05
•
Expires: 1935-06-21
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Abstract

No abstract record available.

Inventors

  • 👤 Peter W Sommer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:23
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/02; E06B11/04; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B2/00; F16B2/02; F16B2/06; F16B2/08; F16B7/10; F16B7/14; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/38

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) 1920-06-04 1920-12-04 1921-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-06-04 1924-12-04 1925-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-06-04 1928-12-04 1929-06-05 $7700.00 Window Closed / Lapsed

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