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US2714162A
Expired / Lapsed
US
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Relaxation generator
Assignee: Hartford National Bank and Trust Co
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Filing: 1951-05-09
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Granted: 1955-07-26
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Expires: 1971-05-09
Abstract
No abstract record available.
Inventors
- 👤 Six Willem
- 👤 Domburg Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:16
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/37; H03K4/00; H03K4/06; H03K4/08; H03K4/86
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE662123C
Cited
US1947093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |