US2430648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making swabs
Assignee: WILLIAMS DRUG SUNDRIES Ltd
•
Filing: 1943-10-08
•
Granted: 1947-11-11
•
Expires: 1963-10-08
Abstract
No abstract record available.
Inventors
- 👤 Schonrock Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:44
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/38; A61F13/385
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US525798A
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US547751A
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US1438623A
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US1721815A
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US1921604A
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US2037233A
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US2094086A
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US2253852A
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US2228599A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |