US2652498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for rapid x-ray exposures
Assignee: W B SNOOK Manufacturing Co Inc
•
Filing: 1949-01-13
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Granted: 1953-09-15
•
Expires: 1969-01-13
Abstract
No abstract record available.
Inventors
- 👤 Walter B Snook
- 👤 Ruolf A Isenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1651707A
Cited
US1003533A
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US1682931A
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US2107825A
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FR754853A
Cited
US2357674A
Cited
US2239219A
Cited
GB547943A
Cited
US2493976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |