US2958228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant vibration exciter
Assignee: Chain Belt Co
•
Filing: 1956-10-24
•
Granted: 1960-11-01
•
Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert M Carrier
- 👤 John M Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:45
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/10; B06B1/16; B06B1/161; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18064
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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |