Patent US3385313A successfully refreshed from Google Patents.
US3385313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball valve
Assignee: Individual
•
Filing: 1966-01-03
•
Granted: 1968-05-28
•
Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Okada Masao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:16
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/20; F16K5/201; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6035; Y10T137/6038; Y10T137/6041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1488296A
Cited
FR529006A
Cited
FR23939E
Cited
US1738450A
Cited
US1941839A
Cited
US2661926A
Cited
US3037738A
Cited
US3014690A
Cited
US3164362A
Cited
US3226082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |