US3523676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsed solenoid control valve
Assignee: Monsanto Co
•
Filing: 1969-02-26
•
Granted: 1970-08-11
•
Expires: 1989-02-26
Abstract
No abstract record available.
Inventors
- 👤 George E Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0686; F16K31/0693; F16K31/0644; F16K31/0655; F16K31/0658; F16K31/0696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2099443A
Cited
US2551334A
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US2669247A
Cited
US2843147A
Cited
US2766064A
Cited
US2822789A
Cited
US3151340A
Cited
US3307824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |