Patent US3434472A successfully refreshed from Google Patents.
US3434472A
Expired / Lapsed
US
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Surgical dressings
Assignee: TJ Smith and Nephew Ltd
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Filing: 1966-04-05
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Granted: 1969-03-25
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Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 Peter Douglas Herniman
- 👤 David Austin Lickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:12
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/48; A61F; A61F13/00; A61F13/02; A61F13/0203; A61F13/0206; A61L15/425; A61L15/58; A61F2013/00089; A61F2013/00217; A61F2013/00221; A61F2013/00225; A61F2013/00361; A61F2013/00544; A61F2013/00548; A61F2013/00727; A61F2013/00731; A61F2013/00744; Y; Y10; Y10T; Y10T428/00; Y10T428/28
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |