Patent US1889307A successfully refreshed from Google Patents.
US1889307A
Expired / Lapsed
US
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System of reheating in a power plant
Assignee: Westinghouse Electric Corp
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Filing: 1928-10-26
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Granted: 1932-11-29
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Expires: 1948-10-26
Abstract
No abstract record available.
Inventors
- 👤 Baumann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:35
CPC Classifications
F; F01; F01K; F01K3/00; F01K3/18; F01K3/26; F01K3/262; F01K3/265
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) | 1935-11-29 | 1936-05-30 | 1936-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-29 | 1940-05-30 | 1940-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-29 | 1944-05-30 | 1944-11-29 | $7700.00 | Window Closed / Lapsed |