Patent US3402383A successfully refreshed from Google Patents.
US3402383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-dissipating adaptors for single-ended halogen quartz lamps to existing electrical lighting apparatus
Assignee: Individual
•
Filing: 1967-12-07
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Granted: 1968-09-17
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Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 Hilzen Hy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:57
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/85; F21V19/00; F21V19/0075; F21V19/008; F21V19/0085
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |