US3047700A
Expired / Lapsed
US
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Assignee: Switchcraft Inc
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Filing: 1960-04-12
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Granted: 1962-07-31
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Expires: 1980-04-12
Abstract
No abstract record available.
Inventors
- 👤 James R Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:45
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; Y; Y10; Y10S; Y10S16/00; Y10S16/30; Y10T; Y10T403/00; Y10T403/70; Y10T403/7016; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |