Patent US2531131A successfully refreshed from Google Patents.
US2531131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bucket holder
Assignee: American Hospital Supply Corp
•
Filing: 1948-10-30
•
Granted: 1950-11-21
•
Expires: 1968-10-30
Abstract
No abstract record available.
Inventors
- 👤 Axel E F Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:46
CPC Classifications
A; A47; A47J; A47J47/00; A47J47/16; B; B62; B62B; B62B2202/00; B62B2202/02; B62B2202/028
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1282600A
Cited
US1328458A
Cited
US1400509A
Cited
US1530024A
Cited
US1628722A
Cited
US2001894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |