US2842103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for washing out the conduits of supercritical pressure, water tube, vapor generators
Assignee: Sulzer AG
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Filing: 1954-03-25
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Granted: 1958-07-08
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Expires: 1974-03-25
Abstract
No abstract record available.
Inventors
- 👤 Profos Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:12
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/48; F22B37/52; F28; F28G; F28G9/00; Y; Y10; Y10S; Y10S122/00; Y10S122/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |