US2943485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic overload protection for flow meters
Assignee: American Oil Co
•
Filing: 1956-02-29
•
Granted: 1960-07-05
•
Expires: 1976-02-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Byrne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:36
CPC Classifications
G; G01; G01F; G01F5/00; G01F5/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE318550C
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US2074950A
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US893521A
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US1264115A
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US1618109A
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US1891155A
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US2274697A
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US2374523A
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US2505456A
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US2703494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |