Patent US3512839A successfully refreshed from Google Patents.
US3512839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing sponges containing a charge of material
Assignee: Individual
•
Filing: 1967-09-07
•
Granted: 1970-05-19
•
Expires: 1987-09-07
Abstract
No abstract record available.
Inventors
- 👤 Suzanne Jouffroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:54
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/70; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L13/17; A47L17/00; A47L17/04; A47L17/08; A61K8/00; A61K8/02; A61K8/0208; A61Q; A61Q15/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |