US2620765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing indicator attachment for distributors of internal-combustion engines
Assignee: THEXTON Manufacturing Co
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Filing: 1950-10-02
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Granted: 1952-12-09
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Expires: 1970-10-02
Abstract
No abstract record available.
Inventors
- 👤 Glen J Worel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:36
CPC Classifications
F; F02; F02P; F02P17/00; F02P17/02; F02P17/04
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) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |