US2071149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Allen Bradley Co LLC
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Filing: 1935-07-11
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Granted: 1937-02-16
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Expires: 1955-07-11
Abstract
No abstract record available.
Inventors
- 👤 Gustav O Wilms
- 👤 Petersen Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:17
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/34; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H2009/305; H01H2300/00; H01H2300/042; H01H50/00; H01H50/002; H01H9/342
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) | 1940-02-16 | 1940-08-17 | 1941-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-16 | 1944-08-17 | 1945-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-16 | 1948-08-17 | 1949-02-16 | $7700.00 | Window Closed / Lapsed |