US1829231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin
Assignee: IB Kleinert Rubber Co
•
Filing: 1930-01-24
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Granted: 1931-10-27
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Expires: 1950-01-24
Abstract
No abstract record available.
Inventors
- 👤 Charles B Mergentime
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; D; D04; D04B; D04B1/00; D04B1/22; D04B1/225; D10; D10B; D10B2403/00; D10B2403/02; D10B2403/024; D10B2403/0243; D10B2509/00; D10B2509/02; D10B2509/026
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) | 1934-10-26 | 1935-04-27 | 1935-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-10-26 | 1939-04-27 | 1939-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-10-26 | 1943-04-27 | 1943-10-27 | $7700.00 | Window Closed / Lapsed |