US784925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of constructing water-tight masonry walls.
Assignee: Individual
•
Filing: 1904-10-12
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Granted: 1905-03-14
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Expires: 1924-10-12
Abstract
No abstract record available.
Inventors
- 👤 Charles M Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:34
CPC Classifications
E; E04; E04G; E04G23/00; E04G23/02; E04G23/0203; E04B; E04B1/00; E04B1/62
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) | 1908-03-13 | 1908-09-12 | 1909-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-13 | 1912-09-12 | 1913-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-13 | 1916-09-12 | 1917-03-14 | $7700.00 | Window Closed / Lapsed |