US2442281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antisurge means for steam generating apparatus
Assignee: Clayton Manufacturing Co
•
Filing: 1943-12-06
•
Granted: 1948-05-25
•
Expires: 1963-12-06
Abstract
No abstract record available.
Inventors
- 👤 Arant Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:28
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191328099A
Cited
US1559763A
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US1898196A
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US1883293A
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US2199214A
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US2201618A
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US2217635A
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US2210822A
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US2227349A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-25 | 1951-11-24 | 1952-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-25 | 1955-11-24 | 1956-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-25 | 1959-11-24 | 1960-05-25 | $7700.00 | Window Closed / Lapsed |