US2949736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint with fuel drainage collector for ducting of gas turbine power plants
Assignee: Rolls Royce PLC
•
Filing: 1953-09-28
•
Granted: 1960-08-23
•
Expires: 1973-09-28
Abstract
No abstract record available.
Inventors
- 👤 Rubbra Arthur Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:13
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/60; F01; F01D; F01D9/00; F01D9/02; F01D9/023; F02; F02C; F02C7/00; F02C7/22; F02C7/222; F23R2900/00; F23R2900/00005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2707967A
Cited
US400532A
Cited
GB189602007A
Cited
US1513315A
Cited
GB315789A
Cited
US1947072A
Cited
GB399759A
Cited
US2026182A
Cited
US2083752A
Cited
DE668607C
Cited
US2204374A
Cited
US2581999A
Cited
US2614797A
Cited
US2578501A
Cited
US2526236A
Cited
US2674844A
Cited
US2712218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |