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US2434426A Expired / Lapsed US ⏱️ 0.0 years remaining

Coupling

Assignee: Individual
•
Filing: 1938-03-09
•
Granted: 1948-01-13
•
Expires: 1958-03-09
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Abstract

No abstract record available.

Inventors

  • 👤 Muller Jacques

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 00:51
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/38; F16L37/44; F16L37/08; F16L37/084

Claims Analysis

Total Claims: 0
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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) 1951-01-12 1951-07-14 1952-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-01-12 1955-07-14 1956-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-01-12 1959-07-14 1960-01-13 $7700.00 Window Closed / Lapsed

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