US3050575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple
Assignee: RTX Corp
•
Filing: 1960-12-14
•
Granted: 1962-08-21
•
Expires: 1980-12-14
Abstract
No abstract record available.
Inventors
- 👤 Donald F Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:20
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/04; H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AN ELECTRO-NEGATIVE ELEMENT FOR A THERMOELECTRIC
Claim 2
Dependent Claim
6 words
AN ELECTRO-NEGATIVE ELEMENT FOR A THERMOELECTRIC
References Cited (Backward Citations)
US2137057A
Cited
US2734344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |