US3017479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum switch
Assignee: Jennings Radio Manufacturing Corp
•
Filing: 1959-01-29
•
Granted: 1962-01-16
•
Expires: 1979-01-29
Abstract
No abstract record available.
Inventors
- 👤 Jennings Jo Emmett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:44
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H33/00; H01H33/60; H01H33/66; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE594282C
Cited
US1783279A
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GB389463A
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US2180661A
Cited
US2421267A
Cited
US2843701A
Cited
US2886668A
Cited
US2886671A
Cited
US2868922A
Cited
US2908780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |