US2045474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamometer
Assignee: Gulf Research and Development Co
•
Filing: 1934-08-09
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Granted: 1936-06-23
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Expires: 1954-08-09
Abstract
No abstract record available.
Inventors
- 👤 Emory N Kemler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
G; G01; G01M; G01M5/00; G01M5/0041; G01M5/005; G01M5/0083
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) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |