US2431103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning device
Assignee: Lanteris Space LLC
•
Filing: 1944-06-17
•
Granted: 1947-11-18
•
Expires: 1964-06-17
Abstract
No abstract record available.
Inventors
- 👤 William E Bradley
- 👤 Richard G Clapp
- 👤 Ingo L Stephan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:12
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/02; H01J25/22; H01J25/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1956705A
Cited
US1967570A
Cited
US2059299A
Cited
US2210384A
Cited
US2153205A
Cited
US2216964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |