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US2877182A Expired / Lapsed US ⏱️ 0.0 years remaining

Organosilicon lubricants

Assignee: Dow Silicones Corp
•
Filing: 1952-09-08
•
Granted: 1959-03-10
•
Expires: 1972-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 John J May

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 07:06
CPC Classifications
C; C10; C10M; C10M3/00; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 19 words
AS A COMPOSITION OF MATTER A MIXTURE CONSISTING ESSENTIALLY OF (A) A FLUID ORGANOPOLYSILIXANE HAVING THE GENERAL UNIT FORMULA
Claim 2
Dependent Claim 19 words
AS A COMPOSITION OF MATTER A MIXTURE CONSISTING ESSENTIALLY OF (A) A FLUID ORGANOPOLYSILIXANE HAVING THE GENERAL UNIT FORMULA

References Cited (Backward Citations)

GB453114A Cited
US2262773A Cited
US2471850A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-09 1962-09-08 1963-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-09 1966-09-08 1967-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-09 1970-09-08 1971-03-10 $7700.00 Window Closed / Lapsed

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