US812336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming concrete blocks.
Assignee: Individual
•
Filing: 1905-08-23
•
Granted: 1906-02-13
•
Expires: 1925-08-23
Abstract
No abstract record available.
Inventors
- 👤 Emerson C Glatfelter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:10
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/02; B28B7/0029; B28B7/0035; B28B7/0044; B28B7/0064; B28B7/0085; B28B7/10; B28B7/16; B28B7/18; B28B7/183
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) | 1909-02-12 | 1909-08-14 | 1910-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-02-12 | 1913-08-14 | 1914-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-02-12 | 1917-08-14 | 1918-02-13 | $7700.00 | Window Closed / Lapsed |