Patent US3035556A successfully refreshed from Google Patents.
US3035556A
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US
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Multistage steam reheating
Assignee: Sulzer AG
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Filing: 1959-03-09
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Granted: 1962-05-22
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Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 Brunner Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:39
CPC Classifications
F; F22; F22B; F22B35/00; F22B35/06; F22B35/10; F22B35/108; F01; F01K; F01K7/00; F01K7/16; F01K7/22; F22G; F22G5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2852005A
Cited
DE1029388B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |