US2761986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse-generating device for measuring traveling material
Assignee: United States Steel Corp
•
Filing: 1953-03-25
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Granted: 1956-09-04
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Expires: 1973-03-25
Abstract
No abstract record available.
Inventors
- 👤 George F Wald
- 👤 Carl T Zimmermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:56
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/04; G01B7/042; G01B7/046
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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |