US3202847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunable vibration pick-up device
Assignee: Individual
•
Filing: 1960-07-28
•
Granted: 1965-08-24
•
Expires: 1980-07-28
Abstract
No abstract record available.
Inventors
- 👤 Lowell H Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:30
CPC Classifications
G; G01; G01H; G01H13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2596048A
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US2487029A
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US2509210A
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US2424724A
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FR1008651A
Cited
US2604181A
Cited
US2800796A
Cited
US2788512A
Cited
US2971323A
Cited
US2946218A
Cited
US3026428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |