US2397367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark plug and mounting therefor
Assignee: Individual
•
Filing: 1944-03-20
•
Granted: 1946-03-26
•
Expires: 1964-03-20
Abstract
No abstract record available.
Inventors
- 👤 Orzel Francis John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:51
CPC Classifications
F; F16; F16B; F16B37/00; H; H01; H01T; H01T13/00; H01T13/54; F16B2200/00; F16B2200/40; F16B2200/403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-03-25 | 1949-09-24 | 1950-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-25 | 1953-09-24 | 1954-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-25 | 1957-09-24 | 1958-03-26 | $7700.00 | Window Closed / Lapsed |