Patent US2300783A successfully refreshed from Google Patents.
Patent US4629873A successfully refreshed from Google Patents.
Patent US2690134A successfully refreshed from Google Patents.
Patent EP0197154A1 successfully refreshed from Google Patents.
Patent US3497179A successfully refreshed from Google Patents.
US3497179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Koehler Dayton Inc
•
Filing: 1967-03-10
•
Granted: 1970-02-24
•
Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 William H Smyers Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:46
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/04; F16K5/0457; F16K5/0478
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |