US3528869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of plastic catheter
Assignee: Davol Inc
•
Filing: 1968-02-28
•
Granted: 1970-09-15
•
Expires: 1988-02-28
Abstract
No abstract record available.
Inventors
- 👤 Paul Dereniuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:27
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1027; A61M25/1034; A61M25/1036; B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5324; B29C66/53241; B29C69/00; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/12; B29C48/13; B29C48/15; B29C48/154; B29C48/155; B29C66/70; B29C66/71; B29L; B29L2022/00; B29L2022/02; B29L2022/022; B29L2031/00; B29L2031/753; B29L2031/7542; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861; Y10T29/49879
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2930634A
Cited
US3047910A
Cited
US3152592A
Cited
US3292627A
Cited
US3467103A
Cited
US3426758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |