US2398039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary self-cleaning comb and case
Assignee: Individual
•
Filing: 1944-06-20
•
Granted: 1946-04-09
•
Expires: 1964-06-20
Abstract
No abstract record available.
Inventors
- 👤 William S Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:57
CPC Classifications
A; A45; A45D; A45D24/00; A45D24/40; A45D24/42; A45D24/04; A45D24/08; A46; A46B; A46B7/00; A46B7/02; A46B7/023
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) | 1949-04-08 | 1949-10-08 | 1950-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-08 | 1953-10-08 | 1954-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-08 | 1957-10-08 | 1958-04-09 | $7700.00 | Window Closed / Lapsed |