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US3521061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray spot filmer wherein the grid is carried by the cassette tray
Assignee: Philips Nuclear Medicine Inc
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Filing: 1967-10-09
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Granted: 1970-07-21
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Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Edward Slagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:22
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/025; G21; G21K; G21K1/00; G21K1/02; G21K1/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE640140C
Cited
US2749445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |