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US3516638A
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US
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Flow diverter ball valve
Assignee: Spraying Systems Co
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Filing: 1968-10-31
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Granted: 1970-06-23
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Expires: 1988-10-31
Abstract
No abstract record available.
Inventors
- 👤 Richard G Piggott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:58
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/06; F16K27/067; F16K5/00; F16K5/06; F16K5/0626; F16K5/0642; F16K5/0657; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |