US2574773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll mounting
Assignee: National Tube Co
•
Filing: 1945-08-21
•
Granted: 1951-11-13
•
Expires: 1965-08-21
Abstract
No abstract record available.
Inventors
- 👤 Bannister Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:35
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/02; B21B27/03; B21B27/035; B21B19/00; B21B19/02; F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/097
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL29554C
Cited
US1687777A
Cited
US955160A
Cited
GB126958A
Cited
DE706590C
Cited
US2190371A
Cited
US2278625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |