US2573473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition control
Assignee: —
•
Filing: —
•
Granted: 1951-10-30
•
Expires: 1968-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:12
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/20; H01J; H01J61/00; H01J61/02; H01J61/56; H01T13/40; H01T13/41; H01T13/50; H01T21/00; H01T21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2323931A
Cited
US1626693A
Cited
US1897587A
Cited
US2118795A
Cited
US2064369A
Cited
US2441047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |