Patent US2614798A successfully refreshed from Google Patents.
US2614798A
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Engine starter mechanism having a turbine as the prime mover
Assignee: Rolls Royce PLC
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Filing: 1949-05-23
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Granted: 1952-10-21
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Expires: 1969-05-23
Abstract
No abstract record available.
Inventors
- 👤 Rubbra Arthur Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:10
CPC Classifications
F; F02; F02N; F02N7/00; F02N7/08; F02C; F02C7/00; F02C7/26; F02C7/268; F02C7/275; F02C7/277; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/19274
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |