US3061718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube light glare eliminator
Assignee: Individual
•
Filing: 1958-07-16
•
Granted: 1962-10-30
•
Expires: 1978-07-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Estes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:44
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1960049A
Cited
US2335737A
Cited
US2485133A
Cited
US2546190A
Cited
US2583939A
Cited
US2741694A
Cited
FR1091494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |