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US2622443A
Expired / Lapsed
US
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Method of producing a thermometer having a scale fired thereon
Assignee: OHIO THERMOMETER CO Inc
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Filing: 1948-10-30
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Granted: 1952-12-23
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Expires: 1968-10-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Wappner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:41
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/02; G01K5/025; Y; Y10; Y10S; Y10S65/00; Y10S65/09
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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |