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US2159236A
Expired / Lapsed
US
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Device for continuously registering the revolutions of an internal combustion engine in consideration of the actual load
Assignee: FIRM P A G PATENTGESELLSCHAFT
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Filing: 1936-10-29
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Granted: 1939-05-23
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Expires: 1956-10-29
Abstract
No abstract record available.
Inventors
- 👤 Uher Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:07
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/24; G01L3/245
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) | 1942-05-22 | 1942-11-21 | 1943-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-22 | 1946-11-21 | 1947-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-22 | 1950-11-21 | 1951-05-23 | $7700.00 | Window Closed / Lapsed |