US2920487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure measuring device
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1958-02-06
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Granted: 1960-01-12
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Expires: 1978-02-06
Abstract
No abstract record available.
Inventors
- 👤 Green Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0033; G01L9/0035; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2243; G01L13/00; G01L13/02
Claims Analysis
Total Claims: 0
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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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |