← Back to Patent Explorer
US3054685A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluormica-fluoramphibole ceramics and processes of making same

Assignee: Individual
•
Filing: 1960-02-09
•
Granted: 1962-09-18
•
Expires: 1980-02-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Haskiel R Shell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 15:53
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/16; C04B32/00; Y; Y10; Y10S; Y10S106/00; Y10S106/03

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 20 words
AN IMPROVED SHAPE CERAMIC ARTICLE OF MANUFACTURE CONSISTING ESSENTIALLY OF A MIXTURE OF (1) PARTICLES OF FLUORMICA OF THE FORMULA
Claim 2
Dependent Claim 20 words
AN IMPROVED SHAPE CERAMIC ARTICLE OF MANUFACTURE CONSISTING ESSENTIALLY OF A MIXTURE OF (1) PARTICLES OF FLUORMICA OF THE FORMULA

References Cited (Backward Citations)

US1795200A Cited
US2675853A Cited
US2948629A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-17 1966-03-19 1966-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-17 1970-03-19 1970-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-17 1974-03-19 1974-09-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag