US2967536A
Expired / Lapsed
US
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Respiratory gas flow regulators
Assignee: Bendix Corp
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Filing: 1957-06-27
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Granted: 1961-01-10
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Expires: 1977-06-27
Abstract
No abstract record available.
Inventors
- 👤 Urban F Stratman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:24
CPC Classifications
B; B60; B60C; B60C13/00; B60C13/04; A; A62; A62B; A62B9/00; A62B9/02; A62B9/022; G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0675; G05D16/0683; G05D16/0686; Y; Y10; Y10S; Y10S116/00; Y10S116/42; Y10S137/00; Y10S137/908; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7754; Y10T137/7756; Y10T137/7757; Y10T137/7781; Y10T137/7793; Y10T137/7801; Y10T137/7831
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |