US1884447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle barrier
Assignee: SOUTHERN PRISON Co
•
Filing: 1932-04-25
•
Granted: 1932-10-25
•
Expires: 1952-04-25
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:38
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/02; E06B11/022; E06B11/023; E01; E01F; E01F13/00; E01F13/04; E01F13/044; E01F13/046; E04; E04H; E04H3/00; E04H3/08
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) | 1935-10-25 | 1936-04-25 | 1936-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-25 | 1940-04-25 | 1940-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-25 | 1944-04-25 | 1944-10-25 | $7700.00 | Window Closed / Lapsed |