Patent US1843045A successfully refreshed from Google Patents.
US1843045A
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Method of making spark plugs
Assignee: Moto Meter Gauge & Equip Corp
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Filing: 1927-08-05
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Granted: 1932-01-26
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Expires: 1947-08-05
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Schupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:38
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/20; H01T13/34; Y; Y10; Y10S; Y10S264/00; Y10S264/54; Y10S425/00; Y10S425/012
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) | 1935-01-25 | 1935-07-27 | 1936-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-01-25 | 1939-07-27 | 1940-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-01-25 | 1943-07-27 | 1944-01-26 | $7700.00 | Window Closed / Lapsed |