Patent US4737716A successfully refreshed from Google Patents.
Patent US3063461A successfully refreshed from Google Patents.
US3063461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for use in respiratory and similar equipment
Assignee: Individual
•
Filing: 1960-05-25
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Granted: 1962-11-13
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Expires: 1980-05-25
Abstract
No abstract record available.
Inventors
- 👤 Rudolph Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:36
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/105; A; A62; A62B; A62B9/00; A62B9/02; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/065; F16K15/14; Y; Y10; Y10S; Y10S137/00; Y10S137/904; Y10S251/00; Y10S251/902; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7904; Y10T137/7922; Y10T137/7924
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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |