Patent US1806208A successfully refreshed from Google Patents.
Patent US2551703A successfully refreshed from Google Patents.
US2551703A
Expired / Lapsed
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Director and pointer for rontgen machines and the like
Assignee: BERNARD ROSWIT
•
Filing: 1948-02-11
•
Granted: 1951-05-08
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Expires: 1968-02-11
Abstract
No abstract record available.
Inventors
- 👤 Fred H Puls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:16
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/08
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |