US2554212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic vibrator machine
Assignee: General Electric Co
•
Filing: 1946-05-29
•
Granted: 1951-05-22
•
Expires: 1966-05-29
Abstract
No abstract record available.
Inventors
- 👤 Frank B Quinlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:27
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/32; G01N3/36; G01N2203/00; G01N2203/003; G01N2203/0042; G01N2203/0044
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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |