US2665627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilator
Assignee: CLARA V FAGER
•
Filing: 1949-09-12
•
Granted: 1954-01-12
•
Expires: 1969-09-12
Abstract
No abstract record available.
Inventors
- 👤 Clara V Fager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:48
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US450256A
Cited
US919193A
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US1650946A
Cited
US1673906A
Cited
US1682708A
Cited
US2004444A
Cited
US2197233A
Cited
US2440468A
Cited
US2474760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |