Patent US2632672A successfully refreshed from Google Patents.
US2632672A
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Steam generator
Assignee: Individual
•
Filing: 1949-11-15
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Granted: 1953-03-24
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Expires: 1969-11-15
Abstract
No abstract record available.
Inventors
- 👤 Russell R Waterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:48
CPC Classifications
F; F22; F22B; F22B35/00; F22B35/005; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0391; Y10T137/2496; Y10T137/2511
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US743661A
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US1766088A
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US2044557A
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US2077257A
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US2128263A
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US2350876A
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US2396032A
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US2345614A
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US2355125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |