US2660704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seam depth indicator
Assignee: Republic Steel Corp
•
Filing: 1949-12-14
•
Granted: 1953-11-24
•
Expires: 1969-12-14
Abstract
No abstract record available.
Inventors
- 👤 William C Harmon
- 👤 Ildefonso G Orellana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:27
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/9046
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1323824A
Cited
US2067804A
Cited
US1815717A
Cited
US1946924A
Cited
US2220563A
Cited
US2267884A
Cited
US2410803A
Cited
US2317720A
Cited
US2326344A
Cited
US2502626A
Cited
US2489920A
Cited
US2559627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |