Patent US1942414A successfully refreshed from Google Patents.
US966784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing spark-plugs.
Assignee: Individual
•
Filing: 1909-08-05
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Granted: 1910-08-09
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Expires: 1929-08-05
Abstract
No abstract record available.
Inventors
- 👤 James C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
C; C03; C03B; C03B11/00; C03B11/14
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) | 1913-08-08 | 1914-02-07 | 1914-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-08-08 | 1918-02-07 | 1918-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-08-08 | 1922-02-07 | 1922-08-09 | $7700.00 | Window Closed / Lapsed |