Patent US2793140A successfully refreshed from Google Patents.
US2793140A
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Method of gas plating with a chromium compound and products of the method
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1953-10-20
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Granted: 1957-05-21
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Expires: 1973-10-20
Abstract
No abstract record available.
Inventors
- 👤 Ostrofsky Bernard
- 👤 James W Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:03
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/46; C03; C03C; C03C17/00; C03C17/06; C03C17/09; C23C16/06; C23C16/16; C03C2217/00; C03C2217/20; C03C2217/25; C03C2217/263; C03C2218/00; C03C2218/10; C03C2218/15; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1317
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN THE GAS PLATING APPARATUS, A METALLIC SUPPORT, A DOME THEREON DEFINING THEREWITH A PLATING CHAMBER, A PAIR OF RODS PASSING THROUGH THE METALLIC SUPPORT IN SPACED RELATION AND INSULATED FROM THE SUPPORT, AN ELECTRICALLY NON-CONDUCTIVE MEMBER CONNECTING THE RODS TOGETHER WITHIN THE CHAMBER AND CONSTRUCTED AND ARRANGED TO SUPPORT AN OBJECT TO BE PLATED, MEANS TO HEAT AN OBJECT SUPPORTED ON THE NON-CONDUCTIVE MEMBER, AND MEANS TO SUPPLY TO AN OBJECT WITHIN THE CHAMBE A HEAT DECOMPOSABLE METAL BEARING GAS.
Claim 2
Dependent Claim
81 words
IN THE GAS PLATING APPARATUS, A METALLIC SUPPORT, A DOME THEREON DEFINING THEREWITH A PLATING CHAMBER, A PAIR OF RODS PASSING THROUGH THE METALLIC SUPPORT IN SPACED RELATION AND INSULATED FROM THE SUPPORT, AN ELECTRICALLY NON-CONDUCTIVE MEMBER CONNECTING THE RODS TOGETHER WITHIN THE CHAMBER AND CONSTRUCTED AND ARRANGED TO SUPPORT AN OBJECT TO BE PLATED, MEANS TO HEAT AN OBJECT SUPPORTED ON THE NON-CONDUCTIVE MEMBER, AND MEANS TO SUPPLY TO AN OBJECT WITHIN THE CHAMBE A HEAT DECOMPOSABLE METAL BEARING GAS.
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) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |