US3520303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper
Assignee: Kimberly Clark Corp
•
Filing: 1968-03-22
•
Granted: 1970-07-14
•
Expires: 1988-03-22
Abstract
No abstract record available.
Inventors
- 👤 Dan D Endres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:06
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49406; A61F13/49446; A61F13/49453; A61F13/49466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2815027A
Cited
US2896626A
Cited
US3196874A
Cited
US3369545A
Cited
US3386442A
Cited
US3402715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |