US3463990A
Expired / Lapsed
US
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Pressure-sensitive electrical control device
Assignee: BERNARD A ROSS
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Filing: 1966-11-28
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Granted: 1969-08-26
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Expires: 1986-11-28
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:31
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/0007; A61C1/0015; A61C1/02; A61C1/06; H; H02; H02P; H02P25/00; H02P25/02; H02P25/10; H02P25/14; H01; H01H; H01H2300/00; H01H2300/014; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/917; Y10S388/919; Y10S388/935; Y10S388/937
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) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |