US3385463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal vapor lamp
Assignee: Osram GmbH
•
Filing: 1966-02-24
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Granted: 1968-05-28
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Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Lange Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:39
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/36; C; C04; C04B; C04B37/00; C04B37/003; C04B37/005; C04B37/02; C04B37/023; C04B37/025; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/06; C04B2237/064; C04B2237/09; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/40; C04B2237/403; C04B2237/50; C04B2237/62; C04B2237/80; C04B2237/84; C04B2237/88; Y; Y10; Y10T; Y10T403/00; Y10T403/21
Claims Analysis
Total Claims: 0
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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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |