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US2525207A
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US
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Ignition torch for internal-combustion prime movers
Assignee: ZF International UK Ltd
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Filing: 1948-02-24
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Granted: 1950-10-10
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Expires: 1968-02-24
Abstract
No abstract record available.
Inventors
- 👤 Clarke John Stanley
- 👤 Huyton Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:07
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26; F02C7/264; F23; F23R; F23R3/00; F23R3/42; F23R3/46; F23R3/48
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |