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Patent US2573266A successfully refreshed from Google Patents.
US2573266A
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US
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Sealing apparatus for cathoderay tubes
Assignee: Rauland Borg Corp
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Filing: 1950-11-30
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Granted: 1951-10-30
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Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 Walter P Melcher
- 👤 Harry H Voelz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:22
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/24; H01J9/26; H01J9/263; Y; Y10; Y10S; Y10S269/00; Y10S269/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |