Patent US3465176A successfully refreshed from Google Patents.
US3465176A
Expired / Lapsed
US
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Pressure sensitive bilateral negative resistance device
Assignee: Panasonic Holdings Corp
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Filing: 1966-12-01
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Granted: 1969-09-02
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Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Masaru Tanaka
- 👤 Akio Yamashita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:59
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/38; H10D48/381; H10D48/32; H10D48/366; H10D99/00
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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |