Patent US3048372A successfully refreshed from Google Patents.
US3048372A
Expired / Lapsed
US
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Waste water heat reclaimer
Assignee: Individual
•
Filing: 1958-03-25
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Granted: 1962-08-07
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Expires: 1978-03-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert P Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
F; F28; F28F; F28F9/00; F28D; F28D7/00; F28D7/16; F28D7/1607; F28F9/22; F28F2009/222; F28F2009/226; Y; Y10; Y10T; Y10T137/00; Y10T137/8593
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1905733A
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GB433343A
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US2258017A
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US2343560A
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US2553361A
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US2651508A
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US2811336A
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US2772076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |