Patent US2558837A successfully refreshed from Google Patents.
US2558837A
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Assignee: Bendix Aviation Corp
•
Filing: 1944-04-13
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Granted: 1951-07-03
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Expires: 1964-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jakob R Frei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:56
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/12; F04C28/00; F04C28/24; F04C28/26; F04C28/265; F04C29/0042; F04C29/0078; F04C29/02
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |