US3464415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical sponge and method of producing same
Assignee: WILLIAM G BROWNLEE
•
Filing: 1967-10-25
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Granted: 1969-09-02
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Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 William G Brownlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:44
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/44; A61F13/01; A61F13/01008; A61F13/36; A61B; A61B90/00; A61B90/39; A61F13/15577; A61F2013/15821; A61F13/53; A61F13/539; A61F2013/53966
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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |