US2488315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exposure selecting device for X-ray apparatus
Assignee: United States, WAR, Secretary of
•
Filing: 1946-05-15
•
Granted: 1949-11-15
•
Expires: 1966-05-15
Abstract
No abstract record available.
Inventors
- 👤 Russell H Morgan
- 👤 Paul C Hodges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:03
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/42; H05G1/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1599434A
Cited
US2225940A
Cited
US2258593A
Cited
US2257050A
Cited
US2405444A
Cited
US2401288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |