Patent US2553936A successfully refreshed from Google Patents.
US2553936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclaiming machine
Assignee: Individual
•
Filing: 1948-07-02
•
Granted: 1951-05-22
•
Expires: 1968-07-02
Abstract
No abstract record available.
Inventors
- 👤 Ben F Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:38
CPC Classifications
C; C22; C22B; C22B11/00; C22B11/10; Y; Y10; Y10S; Y10S494/00; Y10S494/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US355958A
Cited
US604978A
Cited
US739081A
Cited
US1003118A
Cited
US1220051A
Cited
US1204231A
Cited
US1232104A
Cited
US1361723A
Cited
US1456737A
Cited
US1951108A
Cited
GB418518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |