US3097528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Figure
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
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Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:22
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A DEICING PITOT TUBE COMPRISING A TOTAL PRESSURE TUBE, A STATIC PRESSURE TUBE SURROUNDING AND SPACED FROM SAID TOTAL PRESSURE TUBE TO FORM AN ANNULAR CHAMBER BETWEEN SAID TUBES, MEANS JOINING THE FORWARD AND REARWARD ENDS OF SAID TUBES TO FORM A COMPLETE ELECTRICAL CIRCUIT, MEANS FORMING A TRANSFORMER WITH SAID TUBES, SAID TRANSFORMER HAVING A PRIMARY WINDING AND SAID TUBES FORMING A ONETURN SECONDARY WINDING, AND SAID MEANS JOINING THE REARWARD ENDS OF SAID TUBE BEING FLEXIBLE FOR ACCOMMODATING RELATIVE SHIFTING OF SAID TUBES WITH RESPECT TO EACH OTHER UNDER THERMAL EXPANSION AND CONTRACTION.
Claim 2
Dependent Claim
95 words
A DEICING PITOT TUBE COMPRISING A TOTAL PRESSURE TUBE, A STATIC PRESSURE TUBE SURROUNDING AND SPACED FROM SAID TOTAL PRESSURE TUBE TO FORM AN ANNULAR CHAMBER BETWEEN SAID TUBES, MEANS JOINING THE FORWARD AND REARWARD ENDS OF SAID TUBES TO FORM A COMPLETE ELECTRICAL CIRCUIT, MEANS FORMING A TRANSFORMER WITH SAID TUBES, SAID TRANSFORMER HAVING A PRIMARY WINDING AND SAID TUBES FORMING A ONETURN SECONDARY WINDING, AND SAID MEANS JOINING THE REARWARD ENDS OF SAID TUBE BEING FLEXIBLE FOR ACCOMMODATING RELATIVE SHIFTING OF SAID TUBES WITH RESPECT TO EACH OTHER UNDER THERMAL EXPANSION AND CONTRACTION.
References Cited (Backward Citations)
DE238396C
Cited
US2283045A
Cited
US2325018A
Cited
US2391994A
Cited
US2616022A
Cited
US2662402A
Cited
US2671845A
Cited
US2814712A
Cited
GB750417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |