US3507270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Occluder for blood vessel or flexible tube
Assignee: RAYMOND W FERRIER
•
Filing: 1967-07-05
•
Granted: 1970-04-21
•
Expires: 1987-07-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Ferrier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:08
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/02233; A61B17/00; A61B17/12; A61B17/12009; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/39; Y10T24/3958; Y10T24/44; Y10T24/44222
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US780919A
Cited
US855875A
Cited
US893405A
Cited
US1036927A
Cited
FR672228A
Cited
US2049361A
Cited
US2375507A
Cited
US2526055A
Cited
US2670730A
Cited
US3043308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |