US3391571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for and method of determining the operational effectiveness of vibratory-type devices
Assignee: Jaeger Machine Co
•
Filing: 1965-04-22
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Granted: 1968-07-09
•
Expires: 1985-04-22
Abstract
No abstract record available.
Inventors
- 👤 Frederic R Johanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:02
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/005; G; G01; G01H; G01H1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA659400A
Cited
US2405059A
Cited
US2505601A
Cited
US2690489A
Cited
US2754679A
Cited
US2928668A
Cited
US3186237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |