Patent US1917037A successfully refreshed from Google Patents.
US1917037A
Expired / Lapsed
US
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Manufacture of francis runners for hydraulic turbines
Assignee: MORGAN SMITH S CO
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Filing: 1931-11-28
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Granted: 1933-07-04
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Expires: 1951-11-28
Abstract
No abstract record available.
Inventors
- 👤 George A Jessop
- 👤 Vine Daniel C De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:40
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/006; Y; Y10; Y10S; Y10S29/00; Y10S29/048; 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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |