US2738762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the deposition of nonconductive copper coatings from vapor phase
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1953-07-20
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Granted: 1956-03-20
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Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 Pawlyk Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:58
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/448; C23C16/4481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A APPARATUS FOR GAS PLATING, THE STRUCTURE COMPRISING A PLATING CHAMBER HAVING AN INLET AND OUTLET, A HOLLOW CONDUIT SECURED AT ONE END TO SAID INLET, A HEATER ELEMENT SURROUNDING SAID CONDUIT, A CONSTANT TEMPERATURE SOURCE OF PLATING GAS SECURED TO THE OTHER END OF SAID CONDUIT, AND MEANS INCLUDING A SOURCE OF VACUUM CONNECTED TO THE OUTLET OF SAID PLATING CHAMBER FOR THE PASSING OF PLATING GASES THROUGH SAID APPARATUS.
Claim 2
Dependent Claim
72 words
IN A APPARATUS FOR GAS PLATING, THE STRUCTURE COMPRISING A PLATING CHAMBER HAVING AN INLET AND OUTLET, A HOLLOW CONDUIT SECURED AT ONE END TO SAID INLET, A HEATER ELEMENT SURROUNDING SAID CONDUIT, A CONSTANT TEMPERATURE SOURCE OF PLATING GAS SECURED TO THE OTHER END OF SAID CONDUIT, AND MEANS INCLUDING A SOURCE OF VACUUM CONNECTED TO THE OUTLET OF SAID PLATING CHAMBER FOR THE PASSING OF PLATING GASES THROUGH SAID APPARATUS.
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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |