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US2956826A Expired / Lapsed US ⏱️ 0.0 years remaining

Coupling unit

Assignee: U S AUTOMATIC CORP
•
Filing: 1955-03-02
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Granted: 1960-10-18
•
Expires: 1975-03-02
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Abstract

No abstract record available.

Inventors

  • 👤 Eric T Nord

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 15:19
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/094; B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/117; B23B31/1177; F16D2001/0945; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T279/22; Y10T279/29; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547; Y10T29/49549; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/53; Y10T29/53652; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US738445A Cited
US1091106A Cited
US1116845A Cited
US1722623A Cited
US2029606A Cited
US2747428A Cited
US2696997A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-10-18 1964-04-18 1964-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-10-18 1968-04-18 1968-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-10-18 1972-04-18 1972-10-18 $7700.00 Window Closed / Lapsed

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