US3097797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated ash tray
Assignee: Individual
•
Filing: 1961-09-29
•
Granted: 1963-07-16
•
Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Robert E Crain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:22
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; A; A24; A24F; A24F19/00; A24F19/10; F21V; F21V33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2119267A
Cited
US2481394A
Cited
US2604573A
Cited
GB801052A
Cited
US2839670A
Cited
US2987695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |