Patent US2679140A successfully refreshed from Google Patents.
US2679140A
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US
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Fuel storing and charging cartridge
Assignee: RONSON ART METAL WORKS Inc
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Filing: 1952-04-22
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Granted: 1954-05-25
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Expires: 1972-04-22
Abstract
No abstract record available.
Inventors
- 👤 Ray L Burchett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:42
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/34; F23Q2/52; F17; F17C; F17C2270/00; F17C2270/07; F17C2270/0736
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |