Patent US2772862A successfully refreshed from Google Patents.
US2772862A
Expired / Lapsed
US
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Device for the transmission of mechanical vibrations to a material medium
Assignee: Hartford National Bank and Trust Co
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Filing: 1954-02-10
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Granted: 1956-12-04
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Expires: 1974-02-10
Abstract
No abstract record available.
Inventors
- 👤 Harold Van Suchtelen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10
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) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |