US3414762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament lamp with base stem adaptable for connection to different sockets
Assignee: Individual
•
Filing: 1968-01-18
•
Granted: 1968-12-03
•
Expires: 1988-01-18
Abstract
No abstract record available.
Inventors
- 👤 Wyzykowski Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:47
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/0029; B60Q1/0035; B60Q1/0041; F; F21; F21S; F21S41/00; F21S41/10; F21S41/14; F21S41/162; F21S41/19; F21S41/192; F21S41/20; F21S41/25; F21S41/26; F21S41/29; F21S41/295; F21S41/30; F21S41/32; F21S41/321; F21S45/00; F21S45/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1946570A
Cited
US2064880A
Cited
FR1102215A
Cited
US2921180A
Cited
US2848643A
Cited
US2784336A
Cited
US2993987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |