Patent US2936376A successfully refreshed from Google Patents.
US2936376A
Expired / Lapsed
US
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Installations for making X-ray photographs
Assignee: "N V NEDERLANDSCHE RONTGEN-APPARATENFABRIEK"
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Filing: 1957-10-30
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Granted: 1960-05-10
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Expires: 1977-10-30
Abstract
No abstract record available.
Inventors
- 👤 Gerrit D A Hoekstra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:07
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2054493A
Cited
US2319322A
Cited
US2379125A
Cited
US2617047A
Cited
US2667587A
Cited
US2681417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |