US1856820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic fluid turbine
Assignee: General Electric Co
•
Filing: 1931-05-28
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Granted: 1932-05-03
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Expires: 1951-05-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:38
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/26; F01D5/14; F01D5/16; F01D5/22; F01D5/24; F05; F05D; F05D2230/00; F05D2230/50; F05D2230/51; F05D2250/00; F05D2250/20; F05D2250/23; F05D2250/231; F05D2250/24; F05D2250/241; Y; Y10; Y10S; Y10S416/00; Y10S416/50
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) | 1935-05-03 | 1935-11-02 | 1936-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-03 | 1939-11-02 | 1940-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-03 | 1943-11-02 | 1944-05-03 | $7700.00 | Window Closed / Lapsed |