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Patent US1524915A successfully refreshed from Google Patents.
US1524915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming blocks or bricks of plastic material
Assignee: Individual
•
Filing: 1921-05-25
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Granted: 1925-02-03
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Expires: 1941-05-25
Abstract
No abstract record available.
Inventors
- 👤 George C Debay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:36
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/10
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) | 1928-02-03 | 1928-08-04 | 1929-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-02-03 | 1932-08-04 | 1933-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-02-03 | 1936-08-04 | 1937-02-03 | $7700.00 | Window Closed / Lapsed |