Patent US2641931A successfully refreshed from Google Patents.
US2641931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature measuring apparatus
Assignee: Honeywell Inc
•
Filing: 1949-07-27
•
Granted: 1953-06-16
•
Expires: 1969-07-27
Abstract
No abstract record available.
Inventors
- 👤 Rudolf F Wild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:18
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/021
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1617416A
Cited
US1537281A
Cited
US2011710A
Cited
US2218477A
Cited
US2281461A
Cited
US2453053A
Cited
US2596955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |