← Back to Patent Explorer
US3410746A Expired / Lapsed US ⏱️ 0.0 years remaining

Grain-oriented pyrolytic graphite forms and method of making same

Assignee: Space Age Materials Corp
•
Filing: 1964-03-12
•
Granted: 1968-11-12
•
Expires: 1984-03-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Turkat Michael
  • 👤 William A Robba

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 09:51
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/974; C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/522; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/24; Y10T428/24058; Y10T428/30

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 40 words
A VAPOR-DEPOSITED PYROLYTIC GRAPHITE ARTICLE OF PREDETERMINED PROPORTIONS, HAVING A DESIRED FUNCTIONAL EXTERNAL SURFACE CONTOUR AND A DESIRED FUNCTIONAL INTERNAL GRAIN STRUCTURE, SAID EXTERNAL SURFACE CONTOUR AND THE CONTOUR OF THE VARIOUS LAMINAE OF SAID GRAIN STRUCTURE HAVING DIFFERENT CONFIGURATIONS.

References Cited (Backward Citations)

CA654294A Cited
US3172774A Cited
US3107180A Cited
US3206331A Cited
US3138434A Cited
US3138435A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-11-12 1972-05-13 1972-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-11-12 1976-05-13 1976-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-11-12 1980-05-13 1980-11-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag