Patent US4699100A successfully refreshed from Google Patents.
Patent US1825239A successfully refreshed from Google Patents.
US1825239A
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Turbine rotor disk fastening means
Assignee: BBC Brown Boveri AG Germany
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Filing: 1924-03-11
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Granted: 1931-09-29
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Expires: 1944-03-11
Abstract
No abstract record available.
Inventors
- 👤 Meyer Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:18
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/025; F16; F16L; F16L21/00; F16L21/02; F16L21/025; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021
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) | 1934-09-28 | 1935-03-30 | 1935-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-28 | 1939-03-30 | 1939-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-28 | 1943-03-30 | 1943-09-29 | $7700.00 | Window Closed / Lapsed |