Patent US3472228A successfully refreshed from Google Patents.
US3472228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for preparing skin grafts
Assignee: Individual
•
Filing: 1965-03-15
•
Granted: 1969-10-14
•
Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 James C Tanner Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:33
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/322; A61B2017/3225; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4798; Y10T83/483; Y10T83/4838; Y10T83/929; Y10T83/9372; Y10T83/9408
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1693589A
Cited
US671915A
Cited
US1577621A
Cited
US2221716A
Cited
US3076461A
Cited
US3076462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |