US2963585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-contacting thickness gauges
Assignee: Daystrom Inc
•
Filing: 1955-07-21
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Granted: 1960-12-06
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Expires: 1975-07-21
Abstract
No abstract record available.
Inventors
- 👤 Roland C Beeh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:54
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/16; G01N23/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |