Patent US3385300A successfully refreshed from Google Patents.
US3385300A
Expired / Lapsed
US
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Cervical cannula
Assignee: Holter Co
•
Filing: 1965-08-10
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Granted: 1968-05-28
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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 19:20
CPC Classifications
A; A61; A61M; A61M31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US381622A
Cited
US419926A
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US430137A
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GB190101158A
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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 |