Patent US2433129A successfully refreshed from Google Patents.
US2433129A
Expired / Lapsed
US
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Photofluorographic camera and control
Assignee: Westinghouse Electric Corp
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Filing: 1943-12-30
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Granted: 1947-12-23
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Expires: 1963-12-30
Abstract
No abstract record available.
Inventors
- 👤 Chester B Land
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:00
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/021; G03B42/023; G03B42/04; G03B42/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB318152A
Cited
US2205853A
Cited
US2331225A
Cited
US2298942A
Cited
US2337722A
Cited
US2321156A
Cited
GB557050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |