Patent US3422816A successfully refreshed from Google Patents.
US3422816A
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US
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Surgical dressing
Assignee: Johnson and Johnson
•
Filing: 1965-11-12
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Granted: 1969-01-21
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Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 Dennis Robinson
- 👤 Walter Palfrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/44; A61B; A61B46/00; A61B5/00; A61B5/06; A61B90/00; A61B90/90; A61B90/98; A61L; A61L15/00; A61L15/16; A61L15/18; A61L15/42; A61B90/08; A61B2090/0804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB333980A
Cited
US2393717A
Cited
US2549567A
Cited
US2740405A
Cited
US2698270A
Cited
GB884143A
Cited
US3074406A
Cited
US3097649A
Cited
US3133538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |