US3379822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric conductor suitable for being sealed in the wall of an electric discharge tube
Assignee: US Philips Corp
•
Filing: 1965-07-02
•
Granted: 1968-04-23
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Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Haans Petrus Francisc Antonius
- 👤 Botden Theodoor Peter Johannes
- 👤 Roelofs Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:02
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; H; H01; H01J; H01J5/00; H01J5/32; H01J5/40; H01J2893/00; H01J2893/0033; H01J2893/0034; H01J2893/0035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB346179A
Cited
US2100187A
Cited
US2190302A
Cited
US2269156A
Cited
US2409361A
Cited
US2562165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |