US2887755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold box stripping mechanism
Assignee: WASHINGTON BRICK CO
•
Filing: 1954-08-23
•
Granted: 1959-05-26
•
Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas K Zevely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:57
CPC Classifications
B; B28; B28B; B28B13/00; B28B13/04; B28B13/06; B28B3/00; B28B3/02; B28B3/021; B28B3/028; B28B3/08; B28B3/083
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US784154A
Cited
US1232297A
Cited
US1570618A
Cited
US2015980A
Cited
US2319291A
Cited
US2566787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |