US2748067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing plated parts
Assignee: GTE Sylvania Inc
•
Filing: 1951-07-20
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Granted: 1956-05-29
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Expires: 1971-07-20
Abstract
No abstract record available.
Inventors
- 👤 Iii Marshall C Pease
- 👤 John P Jasionis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:31
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/58; H01J25/587
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF PROCESSING A PLATED METAL PART TO BE EXPOSED TO THE INTERIOR OF AN ELECTRIC DISCHARGE DEVICE, INCLUDING THE STEPS OF ELECTROPLATING THE PART OF A BASE METAL WITH A POROUS LAYER OF DIFFERENT METAL WHOSE MELTING TEMPERATURE IS LOWER THAN THAT OF SAID BASE METAL, HEATING THE PLATED PART IN VACUUM OVER A PERIOD AND AT A TEMPERATURE SUFFICIENT TO REMOVE THE GASSES CONTAINED IN THE PART WITHOUT HOWEVER SINTERING THE PLATING, AND THEREAFTER RAISING THE TEMPERATURE SUFFICIENT TO SINTER THE PLATING WHILE MAINTAINING A VACUUM OF A HIGH ORDER.
Claim 2
Independent Claim
93 words
THE METHOD OF PROCESSING A PLATED METAL PART TO BE EXPOSED TO THE INTERIOR OF AN ELECTRIC DISCHARGE DEVICE, INCLUDING THE STEPS OF ELECTROPLATING THE PART OF A BASE METAL WITH A POROUS LAYER OF DIFFERENT METAL WHOSE MELTING TEMPERATURE IS LOWER THAN THAT OF SAID BASE METAL, HEATING THE PLATED PART IN VACUUM OVER A PERIOD AND AT A TEMPERATURE SUFFICIENT TO REMOVE THE GASSES CONTAINED IN THE PART WITHOUT HOWEVER SINTERING THE PLATING, AND THEREAFTER RAISING THE TEMPERATURE SUFFICIENT TO SINTER THE PLATING WHILE MAINTAINING A VACUUM OF A HIGH ORDER.
References Cited (Backward Citations)
US2128234A
Cited
US2077633A
Cited
US2490700A
Cited
US2424576A
Cited
US2478534A
Cited
US2512141A
Cited
US2535713A
Cited
US2556864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |