US1408401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of molded articles from cement
Assignee: Individual
•
Filing: 1918-11-29
•
Granted: 1922-02-28
•
Expires: 1938-11-29
Abstract
No abstract record available.
Inventors
- 👤 Richards Walter Edwin Windsor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:46
CPC Classifications
C; C04; C04B; C04B14/00; C04B14/02; C04B14/04; C04B14/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1925-02-27 | 1925-08-29 | 1926-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-02-27 | 1929-08-29 | 1930-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-02-27 | 1933-08-29 | 1934-02-28 | $7700.00 | Window Closed / Lapsed |