US2013622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making turbine blades
Assignee: CA Parsons and Co Ltd
•
Filing: 1932-10-27
•
Granted: 1935-09-03
•
Expires: 1952-10-27
Abstract
No abstract record available.
Inventors
- 👤 Bedford Frederick Gordon Hay
- 👤 Gibb Claude Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:21
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/02; B21; B21H; B21H7/00; B21H7/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339; Y10T29/4981
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-09-02 | 1939-03-04 | 1939-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-02 | 1943-03-04 | 1943-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-02 | 1947-03-04 | 1947-09-03 | $7700.00 | Window Closed / Lapsed |