US2312501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary napkin
Assignee: Johnson and Johnson
•
Filing: 1940-02-26
•
Granted: 1943-03-02
•
Expires: 1960-02-26
Abstract
No abstract record available.
Inventors
- 👤 Albert A Stonehill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:01
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/537; A61F13/53708; A61F13/53713; A61F13/53743; A61F13/53747; A61F13/53756; A61F2013/53721; A61F2013/53726; A61F2013/53765; A61F2013/53782
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) | 1946-03-01 | 1946-08-31 | 1947-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-01 | 1950-08-31 | 1951-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-01 | 1954-08-31 | 1955-03-02 | $7700.00 | Window Closed / Lapsed |