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US3016800A Expired / Lapsed US ⏱️ 0.0 years remaining

Wedge for a double beam spectro-photometer

Assignee: Texaco Inc
•
Filing: 1958-07-03
•
Granted: 1962-01-16
•
Expires: 1978-07-03
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Abstract

No abstract record available.

Inventors

  • 👤 William A Pliskin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 06:13
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/10; G01J1/20; G01J1/22; G01J1/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2120654A Cited
US2311159A Cited
US2817769A Cited
US2885926A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-15 1965-07-17 1966-01-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-15 1969-07-17 1970-01-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-15 1973-07-17 1974-01-16 $7700.00 Window Closed / Lapsed

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