US2563475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus fob treating granular
Assignee: —
•
Filing: —
•
Granted: 1951-08-07
•
Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:02
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/14; C11D13/20; C11D13/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US417273A
Cited
US544969A
Cited
US1546922A
Cited
US296041A
Cited
US904520A
Cited
GB190818349A
Cited
US1157935A
Cited
US1869235A
Cited
US1846518A
Cited
US2059983A
Cited
US2220193A
Cited
US2197792A
Cited
US2214981A
Cited
US2336378A
Cited
US2340567A
Cited
US2324874A
Cited
US2312034A
Cited
US2375487A
Cited
US2423451A
Cited
US2420568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |