US3470892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsed solenoid control valve
Assignee: Monsanto Co
•
Filing: 1965-09-15
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Granted: 1969-10-07
•
Expires: 1985-09-15
Abstract
No abstract record available.
Inventors
- 👤 George E Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:48
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0686; F16K31/0693; F16K31/0644; F16K31/0651; F16K31/0655; F16K31/0675; H; H03; H03K; H03K3/00; H03K3/02; H03K3/35; H03K3/351; H03K3/353; H03K3/354; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/7722; Y10T137/7758; Y10T137/7761; Y10T137/8593; Y10T137/86389; Y10T137/86405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA494316A
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FR574387A
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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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |