US1939130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio base construction
Assignee: Individual
•
Filing: 1931-04-14
•
Granted: 1933-12-12
•
Expires: 1951-04-14
Abstract
No abstract record available.
Inventors
- 👤 Donald H Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:17
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/103; H01; H01R; H01R12/00; H01R12/50; H01R12/51; H01R12/52; H01R12/523; H05K3/30; H05K3/306; H05K3/308; H05K2201/00; H05K2201/10; H05K2201/10227; H05K2201/1028; H05K2201/10333; H05K2201/10613; H05K2201/10954; H05K2201/10962; H05K2203/00; H05K2203/06; H05K2203/063; H05K3/46; H05K3/4611
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) | 1936-12-11 | 1937-06-12 | 1937-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-11 | 1941-06-12 | 1941-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-11 | 1945-06-12 | 1945-12-12 | $7700.00 | Window Closed / Lapsed |