Patent US2910039A successfully refreshed from Google Patents.
US2910039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating metal onto metal by vaporizing the coating
Assignee: National Research Corp
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Filing: 1956-06-21
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Granted: 1959-10-27
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Expires: 1976-06-21
Abstract
No abstract record available.
Inventors
- 👤 Paul W Patton
- 👤 Robert H Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:05
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/0431; C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/243; C23C14/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
APPARATUS FOR COATING A SUBSTRATE WITH SELENIUM BY VAPOR DEPOSITION TECHNIQUES WHICH COMPRISES A PLURALITY OF COATING UNITS ARRANGED TO BE MOVED IN SEQUENCE PAST A PLURALITY OF OPERATING STATIIONS, EACH UNIT COMPRISING A VACUMM-TIGHT COATING CHAMBER, A VACUMM-TIGHT CLOSURE WHICH CAN BE OPENED FOR PERMITTING LOADING OF SAID CHAMBER WHEN SAID CHAMBER IS AT A LOADING STATION, MEANS FOR EVACUATING SAID CHAMBER, A VALVE FOR VENTING SAID CHAMBER TO ATMOSPHERE, MEANS FOR PROVIDING A CRUCIBLE CONTAINING SELENIUM WITHIN SAID CHAMBER, SAID CRUCIBLE HAVING AT LEAST ONE CHAMBER AND AT LEAST ONE LONG NARROW SLOT, WHICH SLOT SERVES TO DIRECT SELENIUM VAPOR IN A DOWNWARDLY DIRECTION TOWARD A SUBSTRATE TO BE COATED, MEANS FOR HEATING SAID CRUCIBLE AND THEREBY VAPORIZ-
Claim 2
Dependent Claim
120 words
APPARATUS FOR COATING A SUBSTRATE WITH SELENIUM BY VAPOR DEPOSITION TECHNIQUES WHICH COMPRISES A PLURALITY OF COATING UNITS ARRANGED TO BE MOVED IN SEQUENCE PAST A PLURALITY OF OPERATING STATIIONS, EACH UNIT COMPRISING A VACUMM-TIGHT COATING CHAMBER, A VACUMM-TIGHT CLOSURE WHICH CAN BE OPENED FOR PERMITTING LOADING OF SAID CHAMBER WHEN SAID CHAMBER IS AT A LOADING STATION, MEANS FOR EVACUATING SAID CHAMBER, A VALVE FOR VENTING SAID CHAMBER TO ATMOSPHERE, MEANS FOR PROVIDING A CRUCIBLE CONTAINING SELENIUM WITHIN SAID CHAMBER, SAID CRUCIBLE HAVING AT LEAST ONE CHAMBER AND AT LEAST ONE LONG NARROW SLOT, WHICH SLOT SERVES TO DIRECT SELENIUM VAPOR IN A DOWNWARDLY DIRECTION TOWARD A SUBSTRATE TO BE COATED, MEANS FOR HEATING SAID CRUCIBLE AND THEREBY VAPORIZ-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |