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US2934217A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic couplers for railway and like vehicles

Assignee: Siemens Mobility Ltd
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Filing: 1956-12-19
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Granted: 1960-04-26
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Expires: 1976-12-19
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Abstract

No abstract record available.

Inventors

  • 👤 Simmons Arthur William
  • 👤 Kershaw John William Greenwood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:10
CPC Classifications
B; B61; B61G; B61G5/00; B61G5/06; B61G5/08; B60; B60T; B60T17/00; B60T17/04; B60T17/043; H; H01; H01H; H01H49/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US950263A Cited
US1795147A Cited
US1842639A Cited
US2173954A Cited
US2599979A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-04-26 1963-10-26 1964-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-04-26 1967-10-26 1968-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-04-26 1971-10-26 1972-04-26 $7700.00 Window Closed / Lapsed

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