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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
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Abstract

No abstract record available.

Inventors

  • 👤 Pawlyk Peter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 11:26
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)

US1848346A Cited
US2333534A Cited
US2344138A Cited

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

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