US2418907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin
Assignee: Personal Products Co
•
Filing: 1943-09-04
•
Granted: 1947-04-15
•
Expires: 1963-09-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Schreiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:20
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/84; A61F13/8405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1950286A
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US2067961A
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US2024976A
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US1950957A
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US2006697A
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US2066946A
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US2005298A
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US2121604A
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US2144632A
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US2312501A
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US2295016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |