Patent US3170329A successfully refreshed from Google Patents.
US3170329A
Expired / Lapsed
US
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Temperature monitoring apparatus
Assignee: Merck and Co Inc
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Filing: 1961-10-02
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Granted: 1965-02-23
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Prediger Fred Robert
- 👤 Kniazuk Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:58
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/28; G01J5/30; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/20; G05D23/24; H; H01; H01C; H01C7/00; H01C7/04
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |