US3018068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc aircraft with multiple radially disposed gas turbine engines
Assignee: Avro Aircraft Ltd
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Filing: 1955-05-09
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Granted: 1962-01-23
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Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Frost John Carver Meadows
- 👤 Earl Thomas Desmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:35
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066; B64C39/00; B64C39/001; B64C39/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1047657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |