US3217735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Nibco Inc
•
Filing: 1963-12-18
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Granted: 1965-11-16
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 John D Stalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:17
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/28; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6065; Y10T137/6072; Y10T137/6089; Y10T137/6106; Y10T137/6161; Y10T137/6164; Y10T137/6178
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |