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US3524057A
Expired / Lapsed
US
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X-ray stand for posing a subject's feet for a plurality of x-ray exposures from different positions
Assignee: CHARLES M HAMMONDS
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Filing: 1968-01-25
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Granted: 1970-08-11
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Expires: 1988-01-25
Abstract
No abstract record available.
Inventors
- 👤 Charles M Hammonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:14
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/50; A61B6/505; A61B6/04; A61B6/0492
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |