US1836408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building block
Assignee: Individual
•
Filing: 1927-06-07
•
Granted: 1931-12-15
•
Expires: 1947-06-07
Abstract
No abstract record available.
Inventors
- 👤 James L Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:48
CPC Classifications
E; E04; E04C; E04C1/00; E04C1/39; E04C1/397; E04B; E04B2/00; E04B2/02; E04B2002/0202; E04B2002/0204; E04B2002/0206
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) | 1934-12-14 | 1935-06-15 | 1935-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-14 | 1939-06-15 | 1939-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-14 | 1943-06-15 | 1943-12-15 | $7700.00 | Window Closed / Lapsed |