Patent US3243992A successfully refreshed from Google Patents.
US3243992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauging device
Assignee: Boeing Co
•
Filing: 1963-09-12
•
Granted: 1966-04-05
•
Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Weightstill W Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:50
CPC Classifications
G; G01; G01B; G01B13/00; G01B13/02; G01B13/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
APPARATUS FOR MEASURING DISTANCE TO A SURFACE, COMPRISING NOZZLE MEANS WHICH IN USE IS POSITIONED IN SPACED RELATION TO THE SURFACE TO DEFINE AN ORFICE THEREBETWEEN, FLUID DISPLACEMENT MEANS INCLUDING A VIBRATABLE MEMBER OPERATIVELY ASSOCIATED WITH THE NOZZLE MEANS TO APPLY OSCILLATORY FLUID PRESSURE ACROSS THE ORFICE AT PREDETERMINED FREQUENCY, MEANS RESPONSIVE TO DEVIATIONS IN SUCH OSCILLATORY PRESSURE FROM A PREDETERMINED VALUE AND OPERATIVELY CONNECTED TO SAID FLUID DISPLACEMENT MEANS TO REGULATE SAID ASCILLATORY PRESSURE AT PREDETERMINED VALUE THEREBY, AND MEANS FOR MEASURING THE VIBRATIONS OF SAID VIBRATION MEMBER, AS A MEASURE OF DISTANCE TO THE SURFACE.
Claim 2
Dependent Claim
97 words
APPARATUS FOR MEASURING DISTANCE TO A SURFACE, COMPRISING NOZZLE MEANS WHICH IN USE IS POSITIONED IN SPACED RELATION TO THE SURFACE TO DEFINE AN ORFICE THEREBETWEEN, FLUID DISPLACEMENT MEANS INCLUDING A VIBRATABLE MEMBER OPERATIVELY ASSOCIATED WITH THE NOZZLE MEANS TO APPLY OSCILLATORY FLUID PRESSURE ACROSS THE ORFICE AT PREDETERMINED FREQUENCY, MEANS RESPONSIVE TO DEVIATIONS IN SUCH OSCILLATORY PRESSURE FROM A PREDETERMINED VALUE AND OPERATIVELY CONNECTED TO SAID FLUID DISPLACEMENT MEANS TO REGULATE SAID ASCILLATORY PRESSURE AT PREDETERMINED VALUE THEREBY, AND MEANS FOR MEASURING THE VIBRATIONS OF SAID VIBRATION MEMBER, AS A MEASURE OF DISTANCE TO THE SURFACE.
References Cited (Backward Citations)
US2047974A
Cited
DE748729C
Cited
US2481345A
Cited
US2537731A
Cited
US2584128A
Cited
US2986924A
Cited
US2927455A
Cited
US3059466A
Cited
US3130808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |