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US2555191A Expired / Lapsed US ⏱️ 0.0 years remaining

Reflector unit

Assignee: JOHN C HAGGART
•
Filing: 1947-10-03
•
Granted: 1951-05-29
•
Expires: 1967-10-03
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Abstract

No abstract record available.

Inventors

  • 👤 Jr John C Haggart

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:52
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1488923A Cited
US1668449A Cited
GB289368A Cited
GB398452A Cited
US2124793A Cited
US2274212A Cited
US2231139A Cited
US2422256A Cited
US2319742A Cited
GB536702A Cited
US2330097A Cited
US2421277A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-05-28 1954-11-27 1955-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-28 1958-11-27 1959-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-28 1962-11-27 1963-05-29 $7700.00 Window Closed / Lapsed

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