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US2778786A Expired / Lapsed US ⏱️ 0.0 years remaining

Coating a carbonaceous surface with rhenium

Assignee: Individual
•
Filing: 1953-11-17
•
Granted: 1957-01-22
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Expires: 1973-11-17
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Abstract

No abstract record available.

Inventors

  • 👤 Pearlman Harry
  • 👤 Silverman Louis
  • 👤 Curtiss A Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 23:44
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/5105; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C25; C25D; C25D5/00; C25D5/48; C25D5/50; H; H01; H01J; H01J19/00; H01J19/28; H01J19/30; H01J35/00; H01J35/02; H01J35/04; H01J35/08; H01J35/10; H01J2235/00; H01J2235/08; H01J2235/083; H01J2235/084; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/002; H01J2893/0021

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 53 words
A PROCESS FOR SECURELY BONDING A COATING OF RHENIUM TO A CARBONACEOUS PART COMPRISING ELECTROPLATING SAID PART WITH RHENIUM AND IMMEDIATELY HEATING SAID PLATED PART IN A VACUUM TO AT LEAST 1100*C. WHEREBY SAID RHENIUM FORMS A PROTECTIVE COATING OVER SAID CARBONACEOUS PART WITH GOOD BONDING STRENGTH AT TEMPERATURES AS HIGH AS 1000*C.
Claim 2
Dependent Claim 53 words
A PROCESS FOR SECURELY BONDING A COATING OF RHENIUM TO A CARBONACEOUS PART COMPRISING ELECTROPLATING SAID PART WITH RHENIUM AND IMMEDIATELY HEATING SAID PLATED PART IN A VACUUM TO AT LEAST 1100*C. WHEREBY SAID RHENIUM FORMS A PROTECTIVE COATING OVER SAID CARBONACEOUS PART WITH GOOD BONDING STRENGTH AT TEMPERATURES AS HIGH AS 1000*C.

References Cited (Backward Citations)

US2512141A Cited
US2616840A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-22 1960-07-23 1961-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-22 1964-07-23 1965-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-22 1968-07-23 1969-01-22 $7700.00 Window Closed / Lapsed

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