Patent US2253503A successfully refreshed from Google Patents.
US2724969A
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US
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Fluid flow indicating apparatus
Assignee: Bendix Aviation Corp
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Filing: 1950-02-11
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Granted: 1955-11-29
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Expires: 1970-02-11
Abstract
No abstract record available.
Inventors
- 👤 Dwight W Bloser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:06
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1482968A
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US1451064A
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US1780669A
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US1916737A
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US1707160A
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US2081364A
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US2098574A
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US2269068A
Cited
US2361790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |