US1678613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making building blocks
Assignee: Individual
•
Filing: 1926-07-22
•
Granted: 1928-07-24
•
Expires: 1946-07-22
Abstract
No abstract record available.
Inventors
- 👤 Weiss Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0064; B28B7/0073; B28B7/36; Y; Y10; Y10S; Y10S264/00; Y10S264/31; Y10S264/57
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-07-24 | 1932-01-23 | 1932-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-24 | 1936-01-23 | 1936-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-24 | 1940-01-23 | 1940-07-24 | $7700.00 | Window Closed / Lapsed |