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US2003368A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricant

Assignee: International Patents Development Co
•
Filing: 1934-01-10
•
Granted: 1935-06-04
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Expires: 1954-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred H Kelling

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 21:29
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2209/00; C10M2209/12; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1938-06-03 1938-12-03 1939-06-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1942-06-03 1942-12-03 1943-06-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1946-06-03 1946-12-03 1947-06-04 $7700.00 Window Closed / Lapsed

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