US3525864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting means excited by ultra-violet radiation
Assignee: F C GRIBLIN
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Filing: 1968-06-18
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Granted: 1970-08-25
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Expires: 1988-06-18
Abstract
No abstract record available.
Inventors
- 👤 Sam L Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/34; C; C09; C09K; C09K11/00; C09K11/08; C09K11/0805; C09K11/0811; C09K11/0855; C09K11/0861; F; F21; F21K; F21K2/00; H01J61/305; H01J61/38; H01J61/42
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) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |