US2785343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1950-12-04
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Granted: 1957-03-12
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Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 Robert L Wright
- 👤 William C Whittenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:17
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2173921A
Cited
US2316566A
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US2339902A
Cited
US2451898A
Cited
US2482892A
Cited
US2520477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |