US2931360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper
Assignee: Individual
•
Filing: 1957-09-16
•
Granted: 1960-04-05
•
Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Fred F Dexter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:47
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/49003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1022894A
Cited
US1762468A
Cited
US2097903A
Cited
US2511036A
Cited
US2450059A
Cited
US2621139A
Cited
US2558215A
Cited
US2730788A
Cited
GB746238A
Cited
US2853073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |