US2966172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overlapping valve assembly
Assignee: Oil Metering and Processing Equipment Corp
•
Filing: 1957-07-10
•
Granted: 1960-12-27
•
Expires: 1977-07-10
Abstract
No abstract record available.
Inventors
- 👤 Horace V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:50
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; G; G01; G01F; G01F3/00; G01F3/36; G01F3/38; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7303; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |