US1819764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous strip mill
Assignee: EDWARD A LANGENBACH
•
Filing: 1928-06-23
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Granted: 1931-08-18
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Expires: 1948-06-23
Abstract
No abstract record available.
Inventors
- 👤 William M Blecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:33
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/22; B21B1/24; B21B15/00; B21B15/0007; B21B2015/0021; B21B45/00; B21B45/004; B21B2045/006; B21B45/02; B21B45/0203; B21B45/0209; B21B2045/0212; B21B2203/00; B21B2203/42; B21B39/00; B21B39/004; B21B45/04; B21B45/06; Y; Y10; Y10T; Y10T29/00; Y10T29/30; Y10T29/301
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) | 1934-08-17 | 1935-02-16 | 1935-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-17 | 1939-02-16 | 1939-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-17 | 1943-02-16 | 1943-08-18 | $7700.00 | Window Closed / Lapsed |