US2480557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable thermocouple housing
Assignee: Individual
•
Filing: 1946-08-02
•
Granted: 1949-08-30
•
Expires: 1966-08-02
Abstract
No abstract record available.
Inventors
- 👤 Harry S Cummins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:10
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/14; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1478821A
Cited
US1140701A
Cited
US1426337A
Cited
US1675210A
Cited
GB276570A
Cited
US1937199A
Cited
GB399541A
Cited
US1994268A
Cited
US2439464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |