US3529662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Horizontal tube condenser
Assignee: Saline Water Conversion Corp USA
•
Filing: 1967-11-13
•
Granted: 1970-09-22
•
Expires: 1987-11-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Roe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:53
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/08; F; F28; F28B; F28B1/00; F28B1/02; F28B9/00; F28B9/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y10; Y10S; Y10S165/00; Y10S165/184; Y10S165/198; Y10S165/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1105430A
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US1991631A
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GB468980A
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US2459375A
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US3111168A
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US3080302A
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US3192131A
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US3330739A
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US3351119A
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US3359182A
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US3398060A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |