Patent US3357407A successfully refreshed from Google Patents.
US3357407A
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Thermal recovery apparatus and method
Assignee: Struthers Thermo-Flood Corp
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Filing: 1965-01-14
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Granted: 1967-12-12
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 John P Fanaritis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:34
CPC Classifications
F; F22; F22D; F22D1/00; F22D1/40; E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; F22B; F22B29/00; F22B29/02; F22B29/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2738852A
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US2989039A
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US2918909A
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US2872999A
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US2966896A
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US3035556A
Cited
US3106192A
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US3135250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |