US3459463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boundary seal for test chambers using a vibrator
Assignee: TENNEY ENG Inc
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Filing: 1967-08-29
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Granted: 1969-08-05
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Expires: 1987-08-29
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Nacht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:11
CPC Classifications
G; G01; G01M; G01M99/00; G01M99/002; B; B01; B01L; B01L1/00; E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; G01M7/00; G01M7/02
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) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |