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US2544535A
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Switching apparatus
Assignee: Lanteris Space LLC
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Filing: 1947-06-11
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Granted: 1951-03-06
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Expires: 1967-06-11
Abstract
No abstract record available.
Inventors
- 👤 Gilbert J Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:16
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/248; H01; H01H; H01H13/00; H01H13/70; H01H9/00; H01H9/0066
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) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |