US2823316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centering device for x-ray apparatus
Assignee: Picker X Ray Corp
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Filing: 1953-08-17
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Granted: 1958-02-11
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Expires: 1973-08-17
Abstract
No abstract record available.
Inventors
- 👤 John A Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:59
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/04; A61B6/0487; A61B6/06; A61B6/58; A61B6/587
Claims Analysis
Total Claims: 0
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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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |