US3009680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shut-off cock with spherical plug
Assignee: Individual
•
Filing: 1960-02-10
•
Granted: 1961-11-21
•
Expires: 1980-02-10
Abstract
No abstract record available.
Inventors
- 👤 Kaiser Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:52
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0626; F16K27/00; F16K27/06; F16K27/067; F16K5/0663; F16K5/0668; F16K5/0673
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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |