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US3490482A
Expired / Lapsed
US
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Liquid transfer system
Assignee: ELIHU L SACHS
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Filing: 1968-04-25
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Granted: 1970-01-20
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Expires: 1988-04-25
Abstract
No abstract record available.
Inventors
- 👤 Elihu L Sachs
- 👤 Edward Mezynski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:20
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/06; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3109; Y10T137/3115; Y10T137/3127; Y10T137/8593; Y10T137/86187; Y10T137/86196
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3252478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |