US2602033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonyl process
Assignee: AT&T Inc
•
Filing: 1950-01-18
•
Granted: 1952-07-01
•
Expires: 1970-01-18
Abstract
No abstract record available.
Inventors
- 👤 James J Lander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:37
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/32; C23C16/06; C23C16/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE METHOD OF PLATING AN OBJECT WHICH COMPRISES HEATING THE OBJECT TO BE PLATED TO A TEMPERATURE SUFFICIENTLY HIGH TO DECOMPOSE CARBONYL VAPOR OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM, PASSING SAID VAPOR ALONG WITH HYDROGEN AND WATER VAPOR TO THE EXTENT OF NOT OVER FIFTEEN MOLECULAR PER CENT OF THE HYDROGEN OVER THE OBJECT TO BE PLATED WHILE IT IS MAINTAINED AT SAID DECOMPOSITION TEMPERATURE, AND WHILE MAINTAINING A PRESSURE OF UP TO 12 MILLIMETERS OF MERCURY AT THE SURFACE.
Claim 2
Independent Claim
88 words
THE METHOD OF PLATING AN OBJECT WHICH COMPRISES HEATING THE OBJECT TO BE PLATED TO A TEMPERATURE SUFFICIENTLY HIGH TO DECOMPOSE CARBONYL VAPOR OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM, PASSING SAID VAPOR ALONG WITH HYDROGEN AND WATER VAPOR TO THE EXTENT OF NOT OVER FIFTEEN MOLECULAR PER CENT OF THE HYDROGEN OVER THE OBJECT TO BE PLATED WHILE IT IS MAINTAINED AT SAID DECOMPOSITION TEMPERATURE, AND WHILE MAINTAINING A PRESSURE OF UP TO 12 MILLIMETERS OF MERCURY AT THE SURFACE.
References Cited (Backward Citations)
US1497417A
Cited
US2063596A
Cited
GB491948A
Cited
US2183302A
Cited
US2344138A
Cited
US2508509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |