US2727156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1953-03-04
•
Granted: 1955-12-13
•
Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert L Guentner
- 👤 Raymond K Jenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:01
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/44; A61B6/4429; A61B6/447; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US981256A
Cited
US1431578A
Cited
US1617028A
Cited
US1853517A
Cited
US2049807A
Cited
US2169875A
Cited
US2595260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |