US3070157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for dissipating the energy of steam in large quantities
Assignee: CH Wheeler Manufacturing Co
•
Filing: 1959-10-05
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Granted: 1962-12-25
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Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Le Roy A Droescher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:58
CPC Classifications
F; F28; F28B; F28B9/00; F28B9/02; F22; F22D; F22D3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2830797A
Cited
US2822157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |