Patent US3379009A successfully refreshed from Google Patents.
US3379009A
Expired / Lapsed
US
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Combustion system for fluid fuel
Assignee: Bristol Siddeley Engines Ltd
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Filing: 1967-06-27
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Granted: 1968-04-23
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Expires: 1987-06-27
Abstract
No abstract record available.
Inventors
- 👤 Sharp James Waller
- 👤 Hardy Philip Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:20
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/007; F02; F02C; F02C7/00; F02C7/22; F02C7/224; F23R3/002; F23R3/005; F23R3/28; F23R3/30; F23R3/32; Y; Y02; Y02T; Y02T50/00; Y02T50/60
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |