US2978696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated hat
Assignee: CLEVER THINGS Inc
•
Filing: 1958-09-08
•
Granted: 1961-04-04
•
Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 John R Keller
- 👤 Russell R Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:58
CPC Classifications
A; A42; A42B; A42B1/00; A42B1/24; A42B1/242; A63; A63H; A63H37/00; F; F21; F21L; F21L2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2030664A
Cited
US2536484A
Cited
US2640980A
Cited
US2780721A
Cited
US2788439A
Cited
US2816284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |