US2499562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mill roll stand
Assignee: Samuel M Langston Co
•
Filing: 1946-04-13
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Granted: 1950-03-07
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Expires: 1966-04-13
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Behrens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:29
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/413; B65H2301/4134; B65H2301/41346; B65H2403/00; B65H2403/50; B65H2403/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |