US2883985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical appliance
Assignee: Sterilon Corp
•
Filing: 1956-08-31
•
Granted: 1959-04-28
•
Expires: 1976-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert P Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:44
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/4404; A61F5/4405; Y; Y10; Y10S; Y10S128/00; Y10S128/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE4571C
Cited
US1178644A
Cited
US1672748A
Cited
FR912396A
Cited
US2503284A
Cited
US2702034A
Cited
US2757669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |