US2716941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machines for marking cylindrical articles
Assignee: United States Steel Corp
•
Filing: 1950-09-15
•
Granted: 1955-09-06
•
Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Hattman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:28
CPC Classifications
B; B41; B41F; B41F17/00; B41F17/08; B41F17/10; Y; Y10; Y10S; Y10S101/00; Y10S101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1080504A
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US1304904A
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US1367077A
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US1369934A
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US1914779A
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US1929703A
Cited
US2067092A
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US2114323A
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US2364345A
Cited
US2559455A
Cited
US2586906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |