Patent US2542345A successfully refreshed from Google Patents.
US2542345A
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Electric discharge lamp
Assignee: General Electric Co
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Filing: 1949-07-08
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Granted: 1951-02-20
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Expires: 1969-07-08
Abstract
No abstract record available.
Inventors
- 👤 Miles Edward Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:04
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A GASEOUS ELECTRIC DISCHARGE DEVICE COMPRISING A VITREOUS ENVELOPE CONTAINING AN IONIZABLE MEDIUM, AND A THIN METALLIC CONDUCTOR ATTACHED TO SAID ENVELOPE BY AN ADHESIVE CONSISTING OF POLYETHYLENE.
Claim 2
Dependent Claim
28 words
A GASEOUS ELECTRIC DISCHARGE DEVICE COMPRISING A VITREOUS ENVELOPE CONTAINING AN IONIZABLE MEDIUM, AND A THIN METALLIC CONDUCTOR ATTACHED TO SAID ENVELOPE BY AN ADHESIVE CONSISTING OF POLYETHYLENE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |