US2493662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette lighter
Assignee: Individual
•
Filing: 1947-05-01
•
Granted: 1950-01-03
•
Expires: 1967-05-01
Abstract
No abstract record available.
Inventors
- 👤 Richard T Fitzpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:14
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/34; F23Q2/36; F23Q2/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1326215A
Cited
US1334095A
Cited
US1589489A
Cited
US1445967A
Cited
US2070121A
Cited
US2151479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |