US2563744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine power plant having internal cooling means
Assignee: Lockheed Martin Corp
•
Filing: 1945-01-19
•
Granted: 1951-08-07
•
Expires: 1965-01-19
Abstract
No abstract record available.
Inventors
- 👤 Nathan C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:06
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/16; F02C7/18; B; B64; B64C; B64C21/00; B64C21/02; B64C21/025; B64C21/08; F02C3/00; F02C3/04; F02C3/06; F02C6/00; F02C6/20; F02C6/206; F02C7/04; B64C2230/00; B64C2230/04; B64C2230/06; Y; Y02; Y02T; Y02T50/00; Y02T50/10; Y02T50/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB143015A
Cited
US1421087A
Cited
FR781057A
Cited
DE665762C
Cited
US2243467A
Cited
CH208622A
Cited
US2269181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |