US2239223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blocking armor
Assignee: Individual
•
Filing: 1938-11-03
•
Granted: 1941-04-22
•
Expires: 1958-11-03
Abstract
No abstract record available.
Inventors
- 👤 Gilman Martin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:50
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/08; A63B71/12; A63B2071/1208; A63B71/1225; A63B2071/1233; A63B2071/1241; A63B2071/125; A63B2071/1258; A63B71/1216
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) | 1944-04-21 | 1944-10-21 | 1945-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-21 | 1948-10-21 | 1949-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-21 | 1952-10-21 | 1953-04-22 | $7700.00 | Window Closed / Lapsed |