US3029764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal working roller
Assignee: Lodge and Shipley Co
•
Filing: 1954-10-18
•
Granted: 1962-04-17
•
Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 Claus L Sporck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:09
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/14; B21D22/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49496; Y10T29/49504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US187946A
Cited
US1426867A
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US1714144A
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US1656277A
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US1922088A
Cited
US1922087A
Cited
US1968296A
Cited
US1999987A
Cited
US2551704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |