US3489148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Topsheet for disposable diapers
Assignee: Procter and Gamble Co
•
Filing: 1966-12-20
•
Granted: 1970-01-13
•
Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Robert C Duncan
- 👤 Dale A Gellert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:15
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/511; A61F13/512; A61F13/51121; A61F13/513; A61F13/51305; A61F13/84; A61F13/8405; A61F5/00; A61F5/48; A61F5/485; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/34; A61F2013/15008; A61F2013/15024; A61F13/15577; A61F2013/15821; A61F2013/51059; A61F2013/51061; A61F13/51113; A61F2013/51117; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/8476
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) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |