US3059667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature check valve
Assignee: Individual
•
Filing: 1960-04-27
•
Granted: 1962-10-23
•
Expires: 1980-04-27
Abstract
No abstract record available.
Inventors
- 👤 Coceano Domenico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/04; F16K27/00; F16K27/02; F16K27/0245; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7911; Y10T137/7912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1901217A
Cited
US1915065A
Cited
US2137402A
Cited
US2294568A
Cited
US2682281A
Cited
US2716421A
Cited
US2841167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |