Patent US5572195A successfully refreshed from Google Patents.
US2548947A
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Pressure measuring device
Assignee: ExxonMobil Oil Corp
•
Filing: 1946-03-12
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Granted: 1951-04-17
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Expires: 1966-03-12
Abstract
No abstract record available.
Inventors
- 👤 Dayton H Clewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:57
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0001; G01L9/0002; G01L23/00; G01L23/08; G01L5/00; G01L5/14
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |