US2432116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystal detector mounting
Assignee: AT&T Inc
•
Filing: 1943-04-19
•
Granted: 1947-12-09
•
Expires: 1963-04-19
Abstract
No abstract record available.
Inventors
- 👤 David A Mclean
- 👤 Henry C Theuerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:08
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/40; H10W72/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |