Patent US3073161A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3073161A Expired / Lapsed US ⏱️ 0.0 years remaining

Humidity sensing element

Assignee: Motors Liquidation Co
•
Filing: 1959-11-27
•
Granted: 1963-01-15
•
Expires: 1979-11-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Crabtree Wilbur

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:27
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/12; G01N27/121

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 42 words
A HUMIDITY SENSITIVE ELEMENT COMPRISING A LATEX FILM, MEANS FOR SUPPORTING SAID FILM, SAID FILM BEING ELECTROLYTIC AND HYDROSCOPIC IN NATURE, AND ELECTRICAL CONDUCTOR MEANS EMBEDDED IN SAID FILM, WHEREBY A MASS IONIZATION THROUGHOUT SAID FILM OCCURS WHEN SAID FILM IS EXPOSED

References Cited (Backward Citations)

US2510018A Cited
US2976728A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-14 1966-07-16 1967-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-14 1970-07-16 1971-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-14 1974-07-16 1975-01-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag