US2441779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supercharger regulator and surge control
Assignee: Bendix Aviation Corp
•
Filing: 1945-12-21
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Granted: 1948-05-18
•
Expires: 1965-12-21
Abstract
No abstract record available.
Inventors
- 👤 Troeger Henry
- 👤 Lawrence Donald Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:20
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; B; B64; B64D; B64D13/00; B64D13/02; B64D13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |