US2987423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat radiating coatings
Assignee: RCA Corp
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Filing: 1958-09-26
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Granted: 1961-06-06
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Sternberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:21
CPC Classifications
H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022; H01J2893/0023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF PROVIDING A HEAT-RADIATING SURFACE ON A BASE SELECTED FROM THE GROUP CONSISTING OF NICKEL, IRON, FERROUS ALLOYS, NICKEL ALLOYS, AND NICKEL-COATED ALLOYS, WHICH COMPRISES COATING SAID BASE WITH A FIRST SLURRY COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF IRON OXDE, NICKEL OXIDE, AND MIXTURES OF IRON AND NICKEL OXIDES, DRYING SAID FIRST SLURRY, REDUCING SAID OXIDE TO THE METAL, SINTERING SAID METAL TO SAID BASE, APPLYING TO SAID SINTERED METAL A SECOND SLURRY COMPRISING COMMINUTED ALUMINUM, DRYING SAID SECOND SLURRY, AND SUBSEQUENTLY HEATING IN VACUUM TO PRODUCE A HEAT-RADIATING SURFACE.
Claim 2
Independent Claim
95 words
A METHOD OF PROVIDING A HEAT-RADIATING SURFACE ON A BASE SELECTED FROM THE GROUP CONSISTING OF NICKEL, IRON, FERROUS ALLOYS, NICKEL ALLOYS, AND NICKEL-COATED ALLOYS, WHICH COMPRISES COATING SAID BASE WITH A FIRST SLURRY COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF IRON OXDE, NICKEL OXIDE, AND MIXTURES OF IRON AND NICKEL OXIDES, DRYING SAID FIRST SLURRY, REDUCING SAID OXIDE TO THE METAL, SINTERING SAID METAL TO SAID BASE, APPLYING TO SAID SINTERED METAL A SECOND SLURRY COMPRISING COMMINUTED ALUMINUM, DRYING SAID SECOND SLURRY, AND SUBSEQUENTLY HEATING IN VACUUM TO PRODUCE A HEAT-RADIATING SURFACE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |