Patent US2664558A successfully refreshed from Google Patents.
US2664558A
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US
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Indicating device
Assignee: Bendix Aviation Corp
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Filing: 1950-08-07
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Granted: 1953-12-29
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Expires: 1970-08-07
Abstract
No abstract record available.
Inventors
- 👤 Konet Henry
- 👤 Paul E Seifried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
H; H02; H02H; H02H11/00; H02H11/004; G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/06; G01C19/08; G01C19/32; H02H7/00; H02H7/08; H02H7/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1141119A
Cited
US1527932A
Cited
US1960848A
Cited
US2354902A
Cited
US2422067A
Cited
US2430782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |