US2615335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe line metering device with bearing protection mechanism
Assignee: Sunoco Inc
•
Filing: 1948-07-15
•
Granted: 1952-10-28
•
Expires: 1968-07-15
Abstract
No abstract record available.
Inventors
- 👤 Einar T Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
G; G01; G01F; G01F15/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/2937; Y10T137/2947; Y10T137/2965; Y10T137/2975
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190515802A
Cited
US979518A
Cited
US1427974A
Cited
US1483225A
Cited
US1670308A
Cited
US2291248A
Cited
US2176294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |