Patent US2269495A successfully refreshed from Google Patents.
Patent US1544288A successfully refreshed from Google Patents.
US1544288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine blading
Assignee: Westinghouse Electric Corp
•
Filing: 1923-08-13
•
Granted: 1925-06-30
•
Expires: 1943-08-13
Abstract
No abstract record available.
Inventors
- 👤 Banks W Van Ormer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:26
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/148; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162
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) | 1928-06-29 | 1928-12-29 | 1929-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-06-29 | 1932-12-29 | 1933-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-06-29 | 1936-12-29 | 1937-06-30 | $7700.00 | Window Closed / Lapsed |