US2957779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas plating method utilizing a grease masking agent
Assignee: Union Carbide Corp
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Filing: 1957-06-03
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Granted: 1960-10-25
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Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Wilbur M Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:16
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/14; H05K3/146; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24917; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS FOR THE PRODUCTION OF METALLIC DEPOSITS ON SELECTED SURFACE PORTIONS OF AN OBJECT, WHICH COMPRISES APPLYING TO SAID OBJECT A MASKING AGENT TO DELINEATE THE CONTOUR OF THE AREA TO BE GAS PLATED WITH METAL, SAID MASKING AGENT CONSISTING OF A GREASE COMPOSED PRINCIPALLY OF SILICONE RESIN WHICH IS HEAT-RESISTANT AND NON-HARDENABLE AND RETAINS ITS SHAPE AT A TEMPERATURE OF 300*F., AND WHICH RESIN REMAINS IN PLACE AT A TEMPERATURE OF GAS PLATING THE METAL THEREON, HEATING THE OBJECT WITH THE MASKING AGENT THEREON IN AN ENCLOSED VESSEL TO A TEMPERATURE ON THE ORDER OF 300*F. TO DECOMPOSE A METAL BEARING HEAT-DECOMPOSABLE GASEOUS COMPOUND, PASSING SAID HEAT-DECOMPOSABLE GASEOUS COMPOUND TO THE OBJECT
Claim 2
Dependent Claim
114 words
A PROCESS FOR THE PRODUCTION OF METALLIC DEPOSITS ON SELECTED SURFACE PORTIONS OF AN OBJECT, WHICH COMPRISES APPLYING TO SAID OBJECT A MASKING AGENT TO DELINEATE THE CONTOUR OF THE AREA TO BE GAS PLATED WITH METAL, SAID MASKING AGENT CONSISTING OF A GREASE COMPOSED PRINCIPALLY OF SILICONE RESIN WHICH IS HEAT-RESISTANT AND NON-HARDENABLE AND RETAINS ITS SHAPE AT A TEMPERATURE OF 300*F., AND WHICH RESIN REMAINS IN PLACE AT A TEMPERATURE OF GAS PLATING THE METAL THEREON, HEATING THE OBJECT WITH THE MASKING AGENT THEREON IN AN ENCLOSED VESSEL TO A TEMPERATURE ON THE ORDER OF 300*F. TO DECOMPOSE A METAL BEARING HEAT-DECOMPOSABLE GASEOUS COMPOUND, PASSING SAID HEAT-DECOMPOSABLE GASEOUS COMPOUND TO THE OBJECT
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) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |