Patent US2972534A successfully refreshed from Google Patents.
US3310263A
Expired / Lapsed
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Gravity-sensitive levelling
Assignee: Hutchinson Aerospace and Industry Inc
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Filing: 1965-03-04
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Granted: 1967-03-21
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Richard D Cavanaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:22
CPC Classifications
G; G01; G01C; G01C5/00; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1459; Y10T24/1461; Y10T24/1463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
APPARATUS FOR SUPPORTING A LOAD ON A SUB-STRUCTURE IN A PREDETERMINED RELATION TO THE DIRECTION OF GRAVITY, COMPRISING A LOAD, A FIXED-HEIGHT MOUNT FOR SUPPORTING SAID LOAD AT A PRESCRIBED EQUILIBRIUM HEIGHT ABOVE THE SUB-STRUCTURE AT A FIRST POINT, A FIRST VARIABLE-HEIGHT MOUNT FOR SUPPORTING SAID LOAD INDEPENDENTLY OF SAID FIXED-HEIGHT MOUNT ABOVE THE SUB-STRUCTURE AT A SECOND POINT, A SECOND VARIABLE-HEIGHT MOUNT FOR SUPPORTING SAID LOAD INDEPENDENTLY OF SAID FIXED-HEIGHT MOUNT ABOVE THE SUBSTRUCTURE AT A THIRD POINT, THE SECOND AND THIRD SUPPORT POINTS BEING IN A TRIANGULAR ARRAY WITH THE FIRST SUPPORT POINT, AND CONTROL MEANS RESPONSIVE TO GRAVITY MOUNTED IN FIXED RELATION TO SAID LOAD ACTUATING SAID FIRST VARIABLEHEIGHT MOUNT AND SAID SECOND VARIABLE-HEIGHT MOUNT AND PRESERVING SAID SECOND AND THIRD SUPPORT POINTS OF SAID LOAD IN A PREDETERMINED RELATION TO THE FIXED-HEIGHT SUPPORT POINT AND TO THE DIRECTION OF GRAVITY.
Claim 2
Dependent Claim
144 words
APPARATUS FOR SUPPORTING A LOAD ON A SUB-STRUCTURE IN A PREDETERMINED RELATION TO THE DIRECTION OF GRAVITY, COMPRISING A LOAD, A FIXED-HEIGHT MOUNT FOR SUPPORTING SAID LOAD AT A PRESCRIBED EQUILIBRIUM HEIGHT ABOVE THE SUB-STRUCTURE AT A FIRST POINT, A FIRST VARIABLE-HEIGHT MOUNT FOR SUPPORTING SAID LOAD INDEPENDENTLY OF SAID FIXED-HEIGHT MOUNT ABOVE THE SUB-STRUCTURE AT A SECOND POINT, A SECOND VARIABLE-HEIGHT MOUNT FOR SUPPORTING SAID LOAD INDEPENDENTLY OF SAID FIXED-HEIGHT MOUNT ABOVE THE SUBSTRUCTURE AT A THIRD POINT, THE SECOND AND THIRD SUPPORT POINTS BEING IN A TRIANGULAR ARRAY WITH THE FIRST SUPPORT POINT, AND CONTROL MEANS RESPONSIVE TO GRAVITY MOUNTED IN FIXED RELATION TO SAID LOAD ACTUATING SAID FIRST VARIABLEHEIGHT MOUNT AND SAID SECOND VARIABLE-HEIGHT MOUNT AND PRESERVING SAID SECOND AND THIRD SUPPORT POINTS OF SAID LOAD IN A PREDETERMINED RELATION TO THE FIXED-HEIGHT SUPPORT POINT AND TO THE DIRECTION OF GRAVITY.
References Cited (Backward Citations)
US2408169A
Cited
US2507900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |