US3497756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic discharge lamp having a flexible metal electrode connector
Assignee: Philips North America LLC
•
Filing: 1967-08-18
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Granted: 1970-02-24
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Expires: 1987-08-18
Abstract
No abstract record available.
Inventors
- 👤 William J Knochel
- 👤 Henry Skwirut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:18
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/36; H01J61/366; C; C04; C04B; C04B37/00; C04B37/02; H01J61/04; H01J61/06; H01J61/073; H01J61/0732; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/06; C04B2237/064; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/40; C04B2237/403; C04B2237/50; C04B2237/80; C04B2237/84; C04B37/023; C04B37/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |