US2968075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot metal valve
Assignee: Individual
•
Filing: 1958-10-01
•
Granted: 1961-01-17
•
Expires: 1978-10-01
Abstract
No abstract record available.
Inventors
- 👤 Sr William Edward Flickinger
- 👤 Dolenic George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:46
CPC Classifications
B; B22; B22D; B22D41/00; B22D41/14; F; F27; F27D; F27D3/00; F27D3/15; F27D3/1509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US510062A
Cited
US854551A
Cited
US1034995A
Cited
US1742065A
Cited
US2016579A
Cited
US2328267A
Cited
US2654185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |