US3525901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lamp starting and operating circuit with a pulse starter
Assignee: Microdot Inc
•
Filing: 1968-02-13
•
Granted: 1970-08-25
•
Expires: 1988-02-13
Abstract
No abstract record available.
Inventors
- 👤 John C Sammis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:44
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/02; H05B41/04; H05B41/042; H05B41/044; H05B41/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3096464A
Cited
US3189790A
Cited
US3365648A
Cited
US3334270A
Cited
US3354350A
Cited
US3403293A
Cited
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 |