US2018055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing construction for rolling mills and the like
Assignee: Siemens Industry Inc
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Filing: 1931-08-07
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Granted: 1935-10-22
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Expires: 1951-08-07
Abstract
No abstract record available.
Inventors
- 👤 Frank P Dahlstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:06
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/07; B21B31/074; F; F16; F16C; F16C13/00; F16C13/02; B21B2031/072; B21B2203/00; B21B2203/28; F16C17/00; F16C17/10; F16C2322/00; F16C2322/12; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/1045
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) | 1938-10-21 | 1939-04-22 | 1939-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-21 | 1943-04-22 | 1943-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-21 | 1947-04-22 | 1947-10-22 | $7700.00 | Window Closed / Lapsed |