US3517282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacitance transducer
Assignee: HP Inc
•
Filing: 1968-11-14
•
Granted: 1970-06-23
•
Expires: 1988-11-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:26
CPC Classifications
H; H04; H04R; H04R19/00; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/24; G01D5/2403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3253207A
Cited
US2461832A
Cited
US2480187A
Cited
US2745993A
Cited
US2719192A
Cited
US3306104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |