US3026867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution heating apparatus and system
Assignee: Individual
•
Filing: 1958-06-30
•
Granted: 1962-03-27
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Robert A Size
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:21
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/22; F22B1/26; F24; F24H; F24H1/00; F24H1/10; F24H1/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1032727A
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US1404249A
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US2327039A
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US2395666A
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US2449185A
Cited
US2428526A
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US2543835A
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US2564497A
Cited
US2677368A
Cited
US2841136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |