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Patent US2773192A successfully refreshed from Google Patents.
US2773192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized oscillator
Assignee: Hartford National Bank and Trust Co
•
Filing: 1952-04-10
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Granted: 1956-12-04
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Expires: 1972-04-10
Abstract
No abstract record available.
Inventors
- 👤 Blok Lourens
- 👤 Starre Gerrit
- 👤 Zwanenburg Gooitzen
- 👤 Ruiter Jacob Willem De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:58
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2543248A
Cited
US2666129A
Cited
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 |