US2655206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting torch tip, including high and low velocity preheat passages
Assignee: National Cylinder Gas Co
•
Filing: 1949-02-07
•
Granted: 1953-10-13
•
Expires: 1969-02-07
Abstract
No abstract record available.
Inventors
- 👤 Francis J Eichelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:35
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/52; F23D14/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2210402A
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US2378346A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |