US2432082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bourdon tube variable resistance valve
Assignee: Schneider Electric Systems USA Inc
•
Filing: 1944-10-20
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Granted: 1947-12-09
•
Expires: 1964-10-20
Abstract
No abstract record available.
Inventors
- 👤 Gerald I Bilyeu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:44
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/0611; G05D16/14; G05D16/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2177128A
Cited
US2170557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |