US2907872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lighting fixture
Assignee: Individual
•
Filing: 1953-03-17
•
Granted: 1959-10-06
•
Expires: 1973-03-17
Abstract
No abstract record available.
Inventors
- 👤 Wilson Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:37
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/36; F21V21/38; F21Y; F21Y2103/00; Y; Y10; Y10S; Y10S47/00; Y10S47/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2334139A
Cited
US2335218A
Cited
US2381630A
Cited
US2379798A
Cited
US2391936A
Cited
GB586440A
Cited
GB590615A
Cited
GB585283A
Cited
US2564328A
Cited
GB606403A
Cited
US2615123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |