US2638423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously plating irregularly shaped objects
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1949-08-25
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Granted: 1953-05-12
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Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 Oliver F Davis
- 👤 Hans G Belitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:57
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/54; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53313
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD OF PLATING OBJECTS BY THE DEPOSITION OF METAL FROM HEAT-DECOMPOSABLE METAL COMPOUNDS WHICH COMPRISES THE STEPS OF CONVEYING SAID OBJECTS TO BE PLATED WHILE MAINTAINED IN SPACED RELATIONSHIP WITH RESPECT TO EACH OTHER THROUGH A PLATING CHAMBER, CIRCULATING A GASEOUS METAL COMPOUND THROUGH SAID CHAMBER, HEATING SAID OBJECTS BY CONTACTING THE SAME WITH A HOT GASEOUS MEDIUM WHILE THE SAME ARE CONVEYED THEREALONG AND PRIOR TO ENTERING SAID CHAMBER, THEREAFTER MOVING SAID OBJECTS INTO SAID PLATING CHAMBER AND SUBJECTING THE SAME TO A TEMPERATURE SUFFICIENT TO CAUSE DECOMPOSITION OF SAID
Claim 2
Independent Claim
92 words
A METHOD OF PLATING OBJECTS BY THE DEPOSITION OF METAL FROM HEAT-DECOMPOSABLE METAL COMPOUNDS WHICH COMPRISES THE STEPS OF CONVEYING SAID OBJECTS TO BE PLATED WHILE MAINTAINED IN SPACED RELATIONSHIP WITH RESPECT TO EACH OTHER THROUGH A PLATING CHAMBER, CIRCULATING A GASEOUS METAL COMPOUND THROUGH SAID CHAMBER, HEATING SAID OBJECTS BY CONTACTING THE SAME WITH A HOT GASEOUS MEDIUM WHILE THE SAME ARE CONVEYED THEREALONG AND PRIOR TO ENTERING SAID CHAMBER, THEREAFTER MOVING SAID OBJECTS INTO SAID PLATING CHAMBER AND SUBJECTING THE SAME TO A TEMPERATURE SUFFICIENT TO CAUSE DECOMPOSITION OF SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |