US2587774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauging and marking device
Assignee: United States Steel Corp
•
Filing: 1950-09-07
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Granted: 1952-03-04
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Expires: 1970-09-07
Abstract
No abstract record available.
Inventors
- 👤 Andrew T Shack
- 👤 William L Zemberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:42
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; B; B25; B25H; B25H7/00; B25H7/005; B25H7/04; Y; Y10; Y10T; Y10T82/00; Y10T82/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |