US3067577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and control system for sensing temperatured differentials of flowing gases
Assignee: North American Aviation Corp
•
Filing: 1960-01-25
•
Granted: 1962-12-11
•
Expires: 1980-01-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Dew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:55
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE320812C
Cited
US2038511A
Cited
FR805510A
Cited
US2638992A
Cited
US2895692A
Cited
US2914911A
Cited
US2829490A
Cited
US2870601A
Cited
GB822645A
Cited
US2954667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |