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US2858797A
Expired / Lapsed
US
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Apparatus for coating the face plate of a cathode-ray tube envelope
Assignee: Rauland Borg Corp
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Filing: 1957-07-26
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Granted: 1958-11-04
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Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 Nathan D Levin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:22
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2644770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |