US2995336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball valve
Assignee: Consolidated Thermoplastic Co
•
Filing: 1957-07-18
•
Granted: 1961-08-08
•
Expires: 1977-07-18
Abstract
No abstract record available.
Inventors
- 👤 Martin A Usab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:54
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0626; F16K5/08; F16K5/14; F16K5/20; F16K5/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734715A
Cited
GB191028193A
Cited
US1327984A
Cited
FR23939E
Cited
US1846315A
Cited
US1906266A
Cited
US2578396A
Cited
US2696363A
Cited
GB759218A
Cited
US2855177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |