US2749445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray apparatus
Assignee: Picker X Ray Corp
•
Filing: 1951-05-11
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Granted: 1956-06-05
•
Expires: 1971-05-11
Abstract
No abstract record available.
Inventors
- 👤 Robert J Stava
- 👤 Edgar J Bastin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2552858A
Cited
US1471081A
Cited
US2107825A
Cited
US2208265A
Cited
US2327603A
Cited
US2468381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |