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US2758263A Expired / Lapsed US ⏱️ 0.0 years remaining

Contact device

Assignee: Telefonaktiebolaget LM Ericsson AB
•
Filing: 1952-10-03
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Granted: 1956-08-07
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Expires: 1972-10-03
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Abstract

No abstract record available.

Inventors

  • 👤 Robillard Jean Jules Achille

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:31
CPC Classifications
H; H10; H10W; H10W90/00; H10D; H10D99/00; H10W74/00; H10W74/10; H10W74/111; H10W74/40; H10W74/43

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2386218A Cited
US2046686A Cited
GB500342A Cited
GB500344A Cited
GB500180A Cited
GB529754A Cited
US2345122A Cited
US2444385A Cited
US2595052A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-08-07 1960-02-06 1960-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-08-07 1964-02-06 1964-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-08-07 1968-02-06 1968-08-07 $7700.00 Window Closed / Lapsed

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