US3294654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal plating process
Assignee: Ethyl Corp
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Filing: 1965-07-28
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Granted: 1966-12-27
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Expires: 1985-07-28
Abstract
No abstract record available.
Inventors
- 👤 Norman Vello
- 👤 Thomas P Whaley
- 👤 Hamilton B Prestridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:26
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/38; Y; Y10; Y10S; Y10S205/00; Y10S205/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A PROCESS FOR PRODUCING AN ADHERENT METAL COATING UPON AN ESSENTIALLY NON-ELECTROPLATABLE METAL SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM, TUNGSTEN AND ALLOYS THEREOF, WHICH PROCESS IF CHARACTERIZED BY USE OF ONLY TWO PLATING STEPS AS FOLLOWS: (1) HEATING SAID ESSENTIALLY NON-ELECTROPLATABLE METAL SUBSTRATE TO A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 100*C. TO ABOUT 500*C. AND THEREAFTER CONTACTING SAID HEATED SUBSTRATE WITH A HEAT-DECOMPOSABLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM CARBONYL AND TUNGSTEN CARBONYL, FOR A PERIOD OF TIME SUFFICIENT TO LAY DOWN ON SAID SUBSTRATE AS ESSENTIALLY PURE ADHERENT METALLIC COATING TO SERVE AS AN ELECTRICALLY CONDUCING INTERMEDIATE LAYER, AND (2) THEREUPON DEPOSITING BY ELECTROLYSIS A FINAL METAL COATING UPON SAID INTERMEDIATE ADHERENT LAYER SO AS TO FORM AN ADHERENT COMPOSITE METAL COATING.
Claim 2
Dependent Claim
128 words
A PROCESS FOR PRODUCING AN ADHERENT METAL COATING UPON AN ESSENTIALLY NON-ELECTROPLATABLE METAL SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM, TUNGSTEN AND ALLOYS THEREOF, WHICH PROCESS IF CHARACTERIZED BY USE OF ONLY TWO PLATING STEPS AS FOLLOWS: (1) HEATING SAID ESSENTIALLY NON-ELECTROPLATABLE METAL SUBSTRATE TO A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 100*C. TO ABOUT 500*C. AND THEREAFTER CONTACTING SAID HEATED SUBSTRATE WITH A HEAT-DECOMPOSABLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM CARBONYL AND TUNGSTEN CARBONYL, FOR A PERIOD OF TIME SUFFICIENT TO LAY DOWN ON SAID SUBSTRATE AS ESSENTIALLY PURE ADHERENT METALLIC COATING TO SERVE AS AN ELECTRICALLY CONDUCING INTERMEDIATE LAYER, AND (2) THEREUPON DEPOSITING BY ELECTROLYSIS A FINAL METAL COATING UPON SAID INTERMEDIATE ADHERENT LAYER SO AS TO FORM AN ADHERENT COMPOSITE METAL COATING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |