US3606108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wig support
Assignee: Individual
•
Filing: 1970-06-22
•
Granted: 1971-09-20
•
Expires: 1990-06-22
Abstract
Abstract A WIG SUPORT DEVICE WHICH PROVIDES FOR THE CIRCULATION OF AIR INTERIORLY OF THE WIG SUPPORTED ON THE DEVICE.
Inventors
- 👤 Ronald K Baugh
- 👤 Susan L Mattox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:31
CPC Classifications
A; A45; A45D; A45D44/00; A45D44/14
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |