US3472314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control tube
Assignee: THERMO DYNAMICS Inc
•
Filing: 1967-07-26
•
Granted: 1969-10-14
•
Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Balch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:18
CPC Classifications
F; F28; F28D; F28D15/00; F24; F24T; F24T10/00; F24T10/30; F24T10/40; Y; Y02; Y02E; Y02E10/00; Y02E10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US308197A
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US1913573A
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GB500133A
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US2461449A
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FR948380A
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FR1028617A
Cited
US2937009A
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CH393386A
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US3220470A
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US3217791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |