US3260882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glow discharge indicator tube
Assignee: US Philips Corp
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Filing: 1962-05-02
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Granted: 1966-07-12
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Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 Horseling Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:03
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J2893/00; H01J2893/0069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A GLOW-DISCHARGE INDICATOR TUBE COMPRISING AN ENVELOPE CONTAINING AN IONIZABLE GASEOUS MEDIUM, AND A PLURALITY OF CHARACTER-LIKE ELECTRODES ARRANGED IN PARALLEL PLANES ONE BEHIND THE OTHER, A CHARACTER-ELECTRODE OF SMALLER LENGTH THAN THE OTHER CHARACTER ELECTRODES COMPRISING TWO LIKE PORTIONS SPACED A RELATIVELY SHORT DISTANCE ONE BEHIND THE OTHER, AND HAVING A WIDTH NOT GREATER THAN THAT OF THE OTHER CHARACTER ELECTRODES.
Claim 2
Dependent Claim
62 words
A GLOW-DISCHARGE INDICATOR TUBE COMPRISING AN ENVELOPE CONTAINING AN IONIZABLE GASEOUS MEDIUM, AND A PLURALITY OF CHARACTER-LIKE ELECTRODES ARRANGED IN PARALLEL PLANES ONE BEHIND THE OTHER, A CHARACTER-ELECTRODE OF SMALLER LENGTH THAN THE OTHER CHARACTER ELECTRODES COMPRISING TWO LIKE PORTIONS SPACED A RELATIVELY SHORT DISTANCE ONE BEHIND THE OTHER, AND HAVING A WIDTH NOT GREATER THAN THAT OF THE OTHER CHARACTER ELECTRODES.
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |