US2988041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating system for a thermometer or the like
Assignee: Daystrom Inc
•
Filing: 1959-08-10
•
Granted: 1961-06-13
•
Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Herman J Schmitz
- 👤 Vaughn F Pierson
- 👤 George F Hageman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:26
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G01K5/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH119000A
Cited
FR642962A
Cited
US2246741A
Cited
CH234148A
Cited
US2458022A
Cited
US2470482A
Cited
US2706962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |