Patent US2427493A successfully refreshed from Google Patents.
US2771877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad
Assignee: Johnson and Johnson
•
Filing: 1955-01-10
•
Granted: 1956-11-27
•
Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 Albert M Kligman
- 👤 Deker Marta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:58
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/019
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1452302A
Cited
US2522216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |