US2503640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical lighter
Assignee: Individual
•
Filing: 1946-12-23
•
Granted: 1950-04-11
•
Expires: 1966-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jerome C Speck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:49
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/02; F23Q2/04; F23Q2/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE380600C
Cited
US1212164A
Cited
FR490040A
Cited
US1910370A
Cited
US2109003A
Cited
US2189999A
Cited
US2244563A
Cited
US2372238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |