US3213825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum deposition apparatus
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1962-06-13
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Granted: 1965-10-26
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 John N Cooper
- 👤 Jr Eugene C Crittenden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:26
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C23C14/564; C23C14/54; C23C14/541
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
VACUUM DESPOSITION APPARATUS COMPRISING: MEANS DEFINING A VACUUM CHAMBER, EXHAUST MEANS CONNECTED TO SAID CHAMBER, AN EVAPORATOR ASSEMBLY MOUNTED IN ONE REGION OF SAID CHAMBER, A HOLDER FOR AN ARTICLE TO BE COATED MOUNTED IN ANOTHER REGION OF SAID CHAMBER AND SPACED FROM SAID EVAPORATOR ASSEMBLY, A PLATE OF RELATIVELY GREAT EXTENT AS COMPARED TO SAID HOLDER AND SAID EVAPORATOR ASSEMBLY AND FORMED WITH AN OPENING IN A CENTRAL REGION THEREOF, MEANS MOUNTING SAID PLATE BETWEEN SAID HOLDER AND SAID EVAPORATOR ASSEMBLY WITH SAID OPENING REGISTER WITH SAID HOLDER AND SAID EVAPORTATOR ASSEMBLY, AND
Claim 2
Dependent Claim
94 words
VACUUM DESPOSITION APPARATUS COMPRISING: MEANS DEFINING A VACUUM CHAMBER, EXHAUST MEANS CONNECTED TO SAID CHAMBER, AN EVAPORATOR ASSEMBLY MOUNTED IN ONE REGION OF SAID CHAMBER, A HOLDER FOR AN ARTICLE TO BE COATED MOUNTED IN ANOTHER REGION OF SAID CHAMBER AND SPACED FROM SAID EVAPORATOR ASSEMBLY, A PLATE OF RELATIVELY GREAT EXTENT AS COMPARED TO SAID HOLDER AND SAID EVAPORATOR ASSEMBLY AND FORMED WITH AN OPENING IN A CENTRAL REGION THEREOF, MEANS MOUNTING SAID PLATE BETWEEN SAID HOLDER AND SAID EVAPORATOR ASSEMBLY WITH SAID OPENING REGISTER WITH SAID HOLDER AND SAID EVAPORTATOR ASSEMBLY, AND
References Cited (Backward Citations)
US2074281A
Cited
US3023727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |