Patent US3364931A successfully refreshed from Google Patents.
US3364931A
Expired / Lapsed
US
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Sanitary napkin
Assignee: Individual
•
Filing: 1964-10-12
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Granted: 1968-01-23
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Walter F Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:14
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/53409; A61F13/53418; A61F13/51; A61F13/511; A61F13/537; A61F13/539; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/53445; A61F2013/53765; A61F2013/53782; A61F2013/53908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |