US3093831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial gland
Assignee: Individual
•
Filing: 1959-10-22
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Granted: 1963-06-18
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Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jordan Gerhard Paul Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:20
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/022; A61K; A61K35/00; A61K35/12; A61K35/55; A61M; A61M31/00; A61M31/002; A61M5/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
AN IMPLANTABLE GLAND COMPRISING LIVING HORMONEPRODUCING TISSUE COMPLETELY ENCLOSED IN A CONTAINER, AT LEAST A PORTION OF THE WALLS OF SAID CONTAINER BEING FORMED OF A SEMIPERMEABLE MEMBRANE, SAID SEMIPERMEABLE MEMBRANE HAVING PORES WITH A MAXIMUM SIZE OF ABOUT 5 MILLIMICRONS AND BEING MADE FROM A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE, CELLULOSE HYDRATE, AND CELLULOSE ESTERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |