US3422261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture
Assignee: Thomas Industries Inc
•
Filing: 1966-11-07
•
Granted: 1969-01-14
•
Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 William K Mcginty
- 👤 Joseph J Procknow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:55
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02; F21V; F21V21/00; F21V21/02; F21V21/04; F21V21/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1617184A
Cited
US2569518A
Cited
US2717955A
Cited
US2741695A
Cited
US3091678A
Cited
US3327984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |