Patent US2790884A successfully refreshed from Google Patents.
US2790884A
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Miniature crystal oven
Assignee: LAVOIE LAB Inc
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Filing: 1955-05-06
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Granted: 1957-04-30
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Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred J Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:56
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1046777A
Cited
US1327207A
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US2352439A
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US2524886A
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US2676274A
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US2747069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |