US2922543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure visual test cell
Assignee: ExxonMobil Oil Corp
•
Filing: 1955-08-26
•
Granted: 1960-01-26
•
Expires: 1975-08-26
Abstract
No abstract record available.
Inventors
- 👤 Harry A Barclay
- 👤 Douglas K Mclean
- 👤 Carl R Sandberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:29
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1036289A
Cited
US1130857A
Cited
US1800085A
Cited
US1889606A
Cited
US2480070A
Cited
US2510729A
Cited
US2491599A
Cited
US2527792A
Cited
US2672757A
Cited
US2738996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |