US2982512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Corning Glass Works
•
Filing: 1957-07-03
•
Granted: 1961-05-02
•
Expires: 1977-07-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Hurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:19
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB127497A
Cited
US1712298A
Cited
US1865670A
Cited
US1841789A
Cited
US2049204A
Cited
US2331557A
Cited
US2573623A
Cited
US2578628A
Cited
US2707968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |