US2465357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic sponge and method of making
Assignee: Pharmacia and Upjohn Co
•
Filing: 1944-08-14
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Granted: 1949-03-29
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Expires: 1964-08-14
Abstract
No abstract record available.
Inventors
- 👤 John T Correll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:52
CPC Classifications
A; A61; A61L; A61L24/00; A61L24/001; A61L24/0036; A61L24/04; A61L24/10; A61L24/104; C; C08; C08J; C08J9/00; C08J9/30; A61L2400/00; A61L2400/04; C08J2389/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US948845A
Cited
GB265968A
Cited
US1985994A
Cited
US1999641A
Cited
US2036913A
Cited
DE674775C
Cited
US2141760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |