US3013554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airway
Assignee: Johnson and Johnson
•
Filing: 1958-08-08
•
Granted: 1961-12-19
•
Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
- 👤 Safar Peter
- 👤 Martin C Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0488; A61M16/0048; A61M16/0402; A61M16/0431; A61M16/049; A61M16/0493; A61M16/0495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1270565A
Cited
US1786350A
Cited
US1848234A
Cited
US2127215A
Cited
US2280050A
Cited
US2537674A
Cited
US2669988A
Cited
US2882893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |