Patent US3050726A successfully refreshed from Google Patents.
US1970435A
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Balanced turbine or pump runner and method of balancing
Assignee: BALDWIN SOUTHWARK CORP
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Filing: 1932-01-09
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Granted: 1934-08-14
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Expires: 1952-01-09
Abstract
No abstract record available.
Inventors
- 👤 Sharp Robert E Brunswick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:48
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/04; F03B3/06; F03B11/00; F03B11/04; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
Claims Analysis
Total Claims: 0
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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) | 1937-08-13 | 1938-02-12 | 1938-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-13 | 1942-02-12 | 1942-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-13 | 1946-02-12 | 1946-08-14 | $7700.00 | Window Closed / Lapsed |