US2710896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary stepping switches
Assignee: Automatic Electric Laboratories Inc
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Filing: 1951-09-29
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Granted: 1955-06-14
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Expires: 1971-09-29
Abstract
No abstract record available.
Inventors
- 👤 Graybill Kenneth Wayne
- 👤 Sengebusch Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
H; H01; H01H; H01H67/00; H01H67/02; H01H67/04; H01H67/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105; Y10T74/00; Y10T74/15; Y10T74/1526
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) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |