US2998518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tomoscope
Assignee: Optische Industrie de Oude Delft NV
•
Filing: 1957-05-03
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Granted: 1961-08-29
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Expires: 1977-05-03
Abstract
No abstract record available.
Inventors
- 👤 Guntert Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:29
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/42; A61B6/4208; A61B6/4225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2110953A
Cited
US2667585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |