US3480016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary products
Assignee: Celanese Corp
•
Filing: 1968-09-03
•
Granted: 1969-11-25
•
Expires: 1988-09-03
Abstract
No abstract record available.
Inventors
- 👤 John R Costanza
- 👤 Michael Dunay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; A; A61; A61F; A61F13/00; A61F13/15; A61F13/15203; A61F13/15211; A61F13/15252; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/62; Y; Y10; Y10T; Y10T442/00; Y10T442/10; Y10T442/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3081515A
Cited
US2999038A
Cited
US3284282A
Cited
US3245868A
Cited
US3214323A
Cited
US3311931A
Cited
US3386442A
Cited
US3400717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |