US3435286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural lamps for simulating a candle flame
Assignee: Duro Test Corp
•
Filing: 1965-09-17
•
Granted: 1969-03-25
•
Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 Philip J Kayatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:18
CPC Classifications
H; H01; H01K; H01K7/00; H01K7/06; F; F21; F21S; F21S10/00; F21S10/04; F21S10/043; F21W; F21W2121/00; Y; Y10; Y10S; Y10S362/00; Y10S362/806; Y10S362/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2235360A
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US2760120A
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US2901646A
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US3047773A
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US3138737A
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GB937825A
Cited
US3077022A
Cited
US3327162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |