Patent US2434521A successfully refreshed from Google Patents.
Patent FR1487987A successfully refreshed from Google Patents.
FR1487987A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
sponge
Assignee: Walter Hesener
•
Filing: 1966-07-28
•
Granted: 1967-07-07
•
Expires: 1986-07-28
Abstract
No abstract record available.
Inventors
- 👤 Walter Hesener
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 13:33
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254; A47L13/257; A47L17/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.