Patent US3179920A successfully refreshed from Google Patents.
US3179920A
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US
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Fluid level indicator for radiator
Assignee: Individual
•
Filing: 1963-08-14
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Granted: 1965-04-20
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Mcginty Otto Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:35
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/24; G01F23/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1604210A
Cited
US1751016A
Cited
US2453236A
Cited
GB622882A
Cited
US2618248A
Cited
US2625595A
Cited
US2700153A
Cited
US2661411A
Cited
US2871318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |