Patent US1408685A successfully refreshed from Google Patents.
US1408685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic-block mold
Assignee: Individual
•
Filing: 1920-11-06
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Granted: 1922-03-07
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Expires: 1940-11-06
Abstract
No abstract record available.
Inventors
- 👤 Benson Ernest John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:31
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/16; B28B7/18; B28B7/183; B28B7/0064; B28B7/0082; B28B7/28; Y; Y10; Y10S; Y10S425/00; Y10S425/124
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) | 1925-03-06 | 1925-09-05 | 1926-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-03-06 | 1929-09-05 | 1930-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-03-06 | 1933-09-05 | 1934-03-07 | $7700.00 | Window Closed / Lapsed |