← Back to Patent Explorer
US2967876A Expired / Lapsed US ⏱️ 0.0 years remaining

Organofunctional siloxanes

Assignee: Union Carbide Corp
•
Filing: 1957-12-17
•
Granted: 1961-01-10
•
Expires: 1977-12-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Donald L Bailey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:16
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 13 words
AN ORGANOFUNCTIONAL SILOXANE SELECTED FROM THE GROUP OF SILOXANES REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim 13 words
AN ORGANOFUNCTIONAL SILOXANE SELECTED FROM THE GROUP OF SILOXANES REPRESENTED BY THE FORMULA:

References Cited (Backward Citations)

US2872434A Cited
FR1117542A Cited
US2723987A Cited
FR1153312A Cited
US2823218A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-01-10 1964-07-11 1965-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-01-10 1968-07-11 1969-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-01-10 1972-07-11 1973-01-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag