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US2363079A
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Switching apparatus
Assignee: Siemens Industry Inc
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Filing: 1943-06-16
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Granted: 1944-11-21
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Expires: 1963-06-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph M O'malley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:34
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/14; B21B39/18; B65; B65G; B65G47/00; B65G47/74; B65G47/76; B65G47/766
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) | 1947-11-21 | 1948-05-22 | 1948-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-21 | 1952-05-22 | 1952-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-21 | 1956-05-22 | 1956-11-21 | $7700.00 | Window Closed / Lapsed |