US3516396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic ignition system
Assignee: HARRY WIBUR LAWSON JR
•
Filing: 1963-10-29
•
Granted: 1970-06-23
•
Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Harry Wibur Lawson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:45
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/06; F02P3/08; F02P3/0876; F02P3/0884; F02P15/00; F02P15/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3051870A
Cited
US3131327A
Cited
US2791724A
Cited
US2984695A
Cited
US2898392A
Cited
US2980822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |