Patent US3402710A successfully refreshed from Google Patents.
US3402710A
Expired / Lapsed
US
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Self-closing valve device for implantation in the human body
Assignee: HYDRA POWER CORP
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Filing: 1966-06-27
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Granted: 1968-09-24
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Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Paleschuck Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:12
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/02; A61M39/06; A61M39/0606; A61M1/00; A61M1/14; A61M1/28; A61M2039/0673; A61M2205/00; A61M2205/04; Y; Y10; Y10T; Y10T137/00; Y10T137/3584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1657663A
Cited
US1951565A
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US2115035A
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US2349463A
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US2898917A
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US3065763A
Cited
US3253594A
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US3292625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |