US3385300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cervical cannula
Assignee: Holter Co
•
Filing: 1965-08-10
•
Granted: 1968-05-28
•
Expires: 1985-08-10
Abstract
No abstract record available.
Inventors
- 👤 John W Holter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:41
CPC Classifications
A; A61; A61M; A61M31/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US381622A
Cited
US419926A
Cited
US430137A
Cited
GB190101158A
Cited
GB185005A
Cited
US1957673A
Cited
FR709568A
Cited
US1888349A
Cited
US2392045A
Cited
US2893395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |