US3379869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable intensity lamp
Assignee: Corning Glass Works
•
Filing: 1966-03-23
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Granted: 1968-04-23
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Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 William H Dorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:41
CPC Classifications
F; F21; F21S; F21S43/00; F21S43/40; F21S10/00; F21S10/02; F21S43/20; F21S43/26; F21V; F21V7/00; F21V7/0025; F21V9/00; F21V9/40; F21S43/30; F21V7/04; F21V7/06; F21W; F21W2111/00; F21W2111/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3222985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |