US2874585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine with automatic shift responsive to turbine speed and gas pressure
Assignee: Baldwin Lima Hamilton Corp
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Filing: 1957-12-16
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Granted: 1959-02-24
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Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Robert A Lasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:55
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04; F02B71/06; F16; F16H; F16H59/00; F16H59/14; F16H59/26; F16H59/28; G; G05; G05D; G05D13/00; Y; Y10; Y10S; Y10S74/00; Y10S74/05; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265
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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |