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US1908640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brick machine
Assignee: W E DUNN Manufacturing CO
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Filing: 1930-08-25
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Granted: 1933-05-09
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Expires: 1950-08-25
Abstract
No abstract record available.
Inventors
- 👤 Harry E Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:44
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/02; B28B5/021; B28B5/025
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) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |