Patent US3621837A successfully refreshed from Google Patents.
US3621837A
Expired / Lapsed
US
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Method of implanting hairpiece anchor
Assignee: Individual
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Filing: 1970-07-23
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Granted: 1971-11-23
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Expires: 1990-07-23
Abstract
Abstract A LENGTH OF TEFLON COATED STAINLESS STEEL SURGICAL SUTURE WIRE IS SEWN INTO THE SCALP AND BROUGHT THROUGH THE APONEUROSIS LAYER THEROF AT LOCATIONS CONSTITUTING THE CORNERS OF A TRIANGLE. PORTIONS OF THE WIRE ARE TRAINED ABOVE THE SKIN AND PROVIDE ANCHORAGE FOR A HAIRPIECE ATTACHED THERETO. THE LEADING AND TRAILING END PORTIONS OF THE WIRE PROTRUDE ABOVE THE SKIN AND ARE WELDED TOGETHER, THUS MAKING THE SUTURE WIRE A CLOSED LOOP OF IRREGULAR FORMATION PERMANENTLY IMPLANTED IN THE SCALP.
Inventors
- 👤 Bernard C Gindes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:16
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |