US2873518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire electrode for electric discharge lamps
Assignee: Osram GmbH
•
Filing: 1955-02-14
•
Granted: 1959-02-17
•
Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 Schilling Werner
- 👤 Bahrs Siegfried
- 👤 Wiedenmann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:51
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1602526A
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US1722468A
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US2060441A
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US2177703A
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US2249672A
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US2353635A
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US2363028A
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US2450007A
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US2625666A
Cited
US2749467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |