Patent US2394533A successfully refreshed from Google Patents.
US2829648A
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Surgical sponges
Assignee: Johnson and Johnson
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Filing: 1953-01-13
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Granted: 1958-04-08
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Expires: 1973-01-13
Abstract
No abstract record available.
Inventors
- 👤 Donald R Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:30
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2022; A61F13/2048; A61F13/01; A61F13/01034; A61F13/2002; A61F13/202; A61F2013/00361; A61F2013/00365; A61F2013/00463; A61F13/15577; A61F2013/15821
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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |