Patent US2818510A successfully refreshed from Google Patents.
US2818510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diagnostic x-ray device
Assignee: US Philips Corp
•
Filing: 1954-07-22
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Granted: 1957-12-31
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Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Verse Hansheinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:57
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/44; A61B6/4429; A61B6/4435; A61B6/4441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1599696A
Cited
US2000497A
Cited
US2177808A
Cited
US2441538A
Cited
US2319712A
Cited
US2595260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |