US2860634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen dispensing device and nose piece combination
Assignee: RES LAB Inc
•
Filing: 1955-05-18
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Granted: 1958-11-18
•
Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 James G Duncan
- 👤 Leo E Trambley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:54
CPC Classifications
A; A61; A61M; A61M15/00; A61M15/009; A61M15/08; A62; A62B; A62B7/00; A61M2202/00; A61M2202/02; A61M2202/0208; A61M2205/00; A61M2205/82; A61M2205/8218; A61M2205/8225
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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |