US3475003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eccentric ball valve with antislamming means
Assignee: Individual
•
Filing: 1967-11-20
•
Granted: 1969-10-28
•
Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Henry Paluszek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/06; F16K5/00; F16K5/08; F16K5/14; F16K5/20; F16K5/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1989009A
Cited
US2574428A
Cited
US2803426A
Cited
US2847180A
Cited
US3254872A
Cited
US3301271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |