US2545002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for molding concrete blocks
Assignee: Individual
•
Filing: 1949-11-23
•
Granted: 1951-03-13
•
Expires: 1969-11-23
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:21
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/12; B28B11/00; B28B11/08; B28B11/0863; B28B7/00; B28B7/16; B28B7/18; B28B7/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US792222A
Cited
US1486056A
Cited
US1425015A
Cited
US1528582A
Cited
US2282891A
Cited
US2495960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |