US2613400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for making globular surgical sponges
Assignee: Individual
•
Filing: 1946-12-14
•
Granted: 1952-10-14
•
Expires: 1966-12-14
Abstract
No abstract record available.
Inventors
- 👤 Howard C Riordan
- 👤 Wilfred S Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:12
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2171572A
Cited
US2400250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |