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US3246048A Expired / Lapsed US ⏱️ 0.0 years remaining

Organosiloxane-polyether urethanes

Assignee: Dow Silicones Corp
•
Filing: 1962-09-14
•
Granted: 1966-04-12
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Expires: 1982-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 Loren A Haluska

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:43
CPC Classifications
C; C08; C08G; C08G77/00; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/4009; C08G18/48; C08G18/50; C08G18/5096; C08G18/61; C08G18/70; C08G18/72; C08G18/77; C08G18/778; C08G77/42; C08G77/46; C08G2110/00; C08G2110/0008; C08G2110/0016; C08G2110/0025; C08G2110/0083

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 18 words
A COPOLYMER MADE BY REACTING (1) AT LEAST 0.01 PART BY WEIGHT OF A SILOXANE OF THE STRUCTURE
Claim 2
Dependent Claim 18 words
A COPOLYMER MADE BY REACTING (1) AT LEAST 0.01 PART BY WEIGHT OF A SILOXANE OF THE STRUCTURE

References Cited (Backward Citations)

CA580932A Cited
US2846458A Cited
GB875109A Cited
GB888938A Cited
DE1122698B Cited
FR1291993A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-11 1969-10-11 1970-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-11 1973-10-11 1974-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-11 1977-10-11 1978-04-12 $7700.00 Window Closed / Lapsed

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