US2512092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for molding concrete blocks
Assignee: Individual
•
Filing: 1945-12-29
•
Granted: 1950-06-20
•
Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 George A Dike
- 👤 Lawrence E Thomas
- 👤 Gordon C Granger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:42
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/16; B28B7/18; B28B7/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2324884A
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US2389673A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |