US3397581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Range switching for pressure gauge
Assignee: Marine International Inc
•
Filing: 1966-02-11
•
Granted: 1968-08-20
•
Expires: 1986-02-11
Abstract
No abstract record available.
Inventors
- 👤 Bush James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:27
CPC Classifications
G; G01; G01L; G01L13/00; G01L13/02; G01L13/025; G01L27/00; G01L27/002; G01L27/005; G01L9/00; G01L9/0041; G01L9/0051; G01L9/0057; G01L9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3054295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |