US2895212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion turbines
Assignee: CA Parsons and Co Ltd
•
Filing: 1953-02-24
•
Granted: 1959-07-21
•
Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Hawthorne Edward Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:26
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/04; F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/147; F01D5/30; F01D5/3061; F05; F05D; F05D2230/00; F05D2230/20; F05D2230/23; F05D2230/232; F05D2230/237; F05D2230/238; F05D2230/30; F05D2230/31; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1005736A
Cited
US1530249A
Cited
US1947347A
Cited
US1869478A
Cited
US2143462A
Cited
US2287848A
Cited
CH238186A
Cited
GB574440A
Cited
US2510735A
Cited
GB625693A
Cited
US2526194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |