Patent US2785997A successfully refreshed from Google Patents.
US2785997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas plating process
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1954-03-18
•
Granted: 1957-03-19
•
Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Philip R Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:22
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN THE PROCESS OF PRODUCING AN ELECTIRCAL RESISTOR THE STEPS OF SELECTIVELY HEATING A LOCALIZED BASE PORTION OF AN ELECTIRCALLY NON-CONDUCTIVE AND POORLY HEAT CONDUCTIVE BODY ADJACENT A GROOVE OF THE BODY TO RAISE THE TEMPERATURE OF THE GROOVE BASE TO THAT OF THE DECOMPOSITION TEMPERATURE OF A GASEOUS HEAT DECOMPOSABLE COMPOUND, AND CONTACTING THE BODY WITH A GASEOUS METAL BEARING COMPOUND DECOMPOSABLE AT THE TEMPERATURE OF THE GROOVE BASE BUT NOT AT THE TEMPERATURE OF THE SURROUNDING BODY TO EFFECT DEPOSITION OF METAL ON THE GROOVE BASE AND IN THE GROOVE, SAID HEATIN BEING RESTRICTED TO ONLY THE BOTTOM OF SAID GROOVE WHILE THE REMAINDER OF THE BODY IS SUBSTANTIALLY COOL.
Claim 2
Dependent Claim
112 words
IN THE PROCESS OF PRODUCING AN ELECTIRCAL RESISTOR THE STEPS OF SELECTIVELY HEATING A LOCALIZED BASE PORTION OF AN ELECTIRCALLY NON-CONDUCTIVE AND POORLY HEAT CONDUCTIVE BODY ADJACENT A GROOVE OF THE BODY TO RAISE THE TEMPERATURE OF THE GROOVE BASE TO THAT OF THE DECOMPOSITION TEMPERATURE OF A GASEOUS HEAT DECOMPOSABLE COMPOUND, AND CONTACTING THE BODY WITH A GASEOUS METAL BEARING COMPOUND DECOMPOSABLE AT THE TEMPERATURE OF THE GROOVE BASE BUT NOT AT THE TEMPERATURE OF THE SURROUNDING BODY TO EFFECT DEPOSITION OF METAL ON THE GROOVE BASE AND IN THE GROOVE, SAID HEATIN BEING RESTRICTED TO ONLY THE BOTTOM OF SAID GROOVE WHILE THE REMAINDER OF THE BODY IS SUBSTANTIALLY COOL.
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) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |