Patent US3277211A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3277211A Expired / Lapsed US ⏱️ 0.0 years remaining

Pentahalocyclopentadienylsubstituted phosphates

Assignee: GE Chemicals Inc
•
Filing: 1964-03-20
•
Granted: 1966-10-04
•
Expires: 1984-03-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Sheldon B Greenbaum
  • 👤 Edward D Weil

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 21:22
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65742; C07F9/06; C07F9/08; C07F9/09; C07F9/093; C07F9/12; C07F9/14; C07F9/22; C07F9/24; C07F9/2404; C07F9/2416

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA

References Cited (Backward Citations)

US2769743A Cited
US3013049A Cited
US2954318A Cited
US3013048A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-03 1970-04-04 1970-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-03 1974-04-04 1974-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-03 1978-04-04 1978-10-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag