US2710503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle box attachment
Assignee: AV Roe Canada Ltd
•
Filing: 1952-04-08
•
Granted: 1955-06-14
•
Expires: 1972-04-08
Abstract
No abstract record available.
Inventors
- 👤 Boyd Winnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:34
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2526410A
Cited
US2479573A
Cited
US2591399A
Cited
US2548886A
Cited
US2608057A
Cited
US2609663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |