US2704728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas plating metal objects with copper acetylacetonate
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1951-10-08
•
Granted: 1955-03-22
•
Expires: 1971-10-08
Abstract
No abstract record available.
Inventors
- 👤 Pawlyk Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:50
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/06; C23C16/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS OF PLATING A METALLIC OBJECT WITH COPPER COMPRISING THE STEPS OF HEATING THE OBJECT TO BE PLATED TO A TEMPERATURE IN THE RANGE OF 500 TO 650* F., AND CONTACTING THE HEATED OBJECT WITH GASEOUS COPPER ACETYLACETONATE IN AN ATMOSPHERE CONTAINING AN INERT CARRIER GAS AT A SUBSTANTIALLY ATMOSPHERIC PRESSURE AND A TEMPERA-
Claim 2
Dependent Claim
55 words
A PROCESS OF PLATING A METALLIC OBJECT WITH COPPER COMPRISING THE STEPS OF HEATING THE OBJECT TO BE PLATED TO A TEMPERATURE IN THE RANGE OF 500 TO 650* F., AND CONTACTING THE HEATED OBJECT WITH GASEOUS COPPER ACETYLACETONATE IN AN ATMOSPHERE CONTAINING AN INERT CARRIER GAS AT A SUBSTANTIALLY ATMOSPHERIC PRESSURE AND A TEMPERA-
References Cited (Backward Citations)
US1675120A
Cited
US2304182A
Cited
US2344138A
Cited
US2468825A
Cited
US2474038A
Cited
US2430520A
Cited
US2576289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |