US3461869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent skin exit device
Assignee: Bio Medical Systems Inc
•
Filing: 1966-04-05
•
Granted: 1969-08-19
•
Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas Sewell Hargest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:10
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/02; A61M39/0247; A61M25/00; A61M25/01; A61M25/02; A61M2025/0286; A61M2039/0258; A61M2039/0261; A61M2039/0264; A61M2039/0273; Y; Y10; Y10S; Y10S128/00; Y10S128/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2587910A
Cited
US2797682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |