Patent US615321A successfully refreshed from Google Patents.
Patent US2527285A successfully refreshed from Google Patents.
US2527285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding, milling, or the like machine for producing parts of complex shape, more particularly the blades of axial compressors or turbines
Assignee: Bristol Aeroplane Co Ltd
•
Filing: 1948-03-01
•
Granted: 1950-10-24
•
Expires: 1968-03-01
Abstract
No abstract record available.
Inventors
- 👤 Whitehead Frederick William
- 👤 Bedford William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:47
CPC Classifications
B; B24; B24B; B24B17/00; B24B17/02; B24B17/025; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303248
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |