US1861768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical sterilizer
Assignee: Individual
•
Filing: 1929-10-26
•
Granted: 1932-06-07
•
Expires: 1949-10-26
Abstract
No abstract record available.
Inventors
- 👤 Wappler Frederick Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:38
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/20; A61L2/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-06-07 | 1935-12-07 | 1936-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-07 | 1939-12-07 | 1940-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-07 | 1943-12-07 | 1944-06-07 | $7700.00 | Window Closed / Lapsed |