Patent US1683710A successfully refreshed from Google Patents.
US1683710A
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Kngine-testing gauge
Assignee: AUTOMATIC MOTOR CONTROL Corp
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Filing: 1921-06-03
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Granted: 1928-09-11
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Expires: 1941-06-03
Abstract
No abstract record available.
Inventors
- 👤 Zitzmann George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:00
CPC Classifications
G; G01; G01L; G01L23/00; G01L23/26; G01L23/30; F; F02; F02P; F02P17/00; F02P17/02; F02P17/04; G01M; G01M15/00; G01M15/04; G01M15/06; Y; Y10; Y10S; Y10S33/00; Y10S33/15
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) | 1931-09-11 | 1932-03-12 | 1932-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-11 | 1936-03-12 | 1936-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-11 | 1940-03-12 | 1940-09-11 | $7700.00 | Window Closed / Lapsed |