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US3072572A Expired / Lapsed US ⏱️ 0.0 years remaining

Salts of hydroxy-phenyl esters of amidic acids

Assignee: Gulf Oil Corp
•
Filing: 1958-11-07
•
Granted: 1963-01-08
•
Expires: 1978-11-07
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Abstract

No abstract record available.

Inventors

  • 👤 Troy L Cantrell
  • 👤 John G Peters
  • 👤 Herschel G Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 00:46
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 5 words
A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim 5 words
A COMPOUND HAVING THE FORMULA:
Claim 3
Dependent Claim 25 words
A MINERAL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL OIL AND FROM 0.01 TO 2.0 PERCENT BY WEIGHT OF A COMPOUND HAVING THE FORMULA:
Claim 4
Dependent Claim 25 words
A MINERAL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL OIL AND FROM 0.01 TO 2.0 PERCENT BY WEIGHT OF A COMPOUND HAVING THE FORMULA:

References Cited (Backward Citations)

US1803298A Cited
US2306095A Cited
US2402448A Cited
US2674577A Cited
US2798087A Cited
US2820053A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-07 1966-07-09 1967-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-07 1970-07-09 1971-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-07 1974-07-09 1975-01-08 $7700.00 Window Closed / Lapsed

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