US2646473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually operated selecting and controlling switch apparatus
Assignee: TALK O PRODUCTS Inc
•
Filing: 1950-04-25
•
Granted: 1953-07-21
•
Expires: 1970-04-25
Abstract
No abstract record available.
Inventors
- 👤 Andrew W Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:55
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/50; H01H13/64; H04; H04M; H04M9/00; H04M9/001; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1789142A
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US2108817A
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US2242971A
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US2312408A
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US2411576A
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US2517259A
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US2451602A
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US2450001A
Cited
US2490963A
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US2509701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |