US3217490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Installation of jet engines in engine bays
Assignee: Rolls Royce PLC
•
Filing: 1963-04-29
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Granted: 1965-11-16
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Chilvers Ernest Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:42
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/005; B64C29/0058; B64D; B64D27/00; B64D27/40; B64D27/402; F; F01; F01D; F01D25/00; F01D25/28; F01D25/285; F02; F02C; F02C7/00; F02C7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN INSTALLATION COMPRISING AN ENGINE BAY, A JET ENGINE INSTALLED THEREIN, A TRACK DISPOSED IN THE ENGINE BAY, A PLURALITY OF PIVOTED GUIDE MEMBERS WHICH ARE SECURED TO THE ENGINE AND EACH OF WHICH IS MOVABLE ALONG THE TRACK, A PLURALITY OF ENGINE SUPPORT MEMBERS EACH OF WHICH IS ENGAGED BY SAID GUIDE MEMBER AND EACH OF WHICH IS PROVIDED WITH A PORTION OF THE RESPECTIVE TRACK, EACH ENGINE SUPPORT MEMBER BEING PIVOTABLE BETWEEN AN INOPERATIVE POSITION IN WHICH THE ENGINE MAY BE INSTALLED
Claim 2
Dependent Claim
84 words
AN INSTALLATION COMPRISING AN ENGINE BAY, A JET ENGINE INSTALLED THEREIN, A TRACK DISPOSED IN THE ENGINE BAY, A PLURALITY OF PIVOTED GUIDE MEMBERS WHICH ARE SECURED TO THE ENGINE AND EACH OF WHICH IS MOVABLE ALONG THE TRACK, A PLURALITY OF ENGINE SUPPORT MEMBERS EACH OF WHICH IS ENGAGED BY SAID GUIDE MEMBER AND EACH OF WHICH IS PROVIDED WITH A PORTION OF THE RESPECTIVE TRACK, EACH ENGINE SUPPORT MEMBER BEING PIVOTABLE BETWEEN AN INOPERATIVE POSITION IN WHICH THE ENGINE MAY BE INSTALLED
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |