US2778786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating a carbonaceous surface with rhenium
Assignee: Individual
•
Filing: 1953-11-17
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Granted: 1957-01-22
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Expires: 1973-11-17
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
2026-10-28 14:52
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 |