Patent US1606143A successfully refreshed from Google Patents.
US3245263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravity meter suspension system
Assignee: Texas Instruments Inc
•
Filing: 1963-07-15
•
Granted: 1966-04-12
•
Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 Cornelison Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:18
CPC Classifications
G; G01; G01V; G01V7/00; G01V7/08; G01V7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A SUSPENSION FOR A WEIGHT RESPONSIVE TO ACCELERATIONS FORCES, THE COMBINATION WHICH COMPRISES: (A) A SPRING HAVING A CLOSED GAS-FILLED CHAMBER THEREIN, SAID GAS COMPENSATING FOR CHANGES IN THE SPRING IN RESPONSE TO CHANGES IN TEMPERATURE, (B) SPACED HINGES SUPPORTING SAID SPRING AT ITS AXIS FOR DIFFERENTIAL ROTATION OF THE ENDS OF SAID SPRING, (C) A TORQUE ARM SECURED TO SAID SPRING INTERMEDIATE SAID HINGES, (D) MEANS FOR LINKING SAID WEIGHT TO SAID TORQUE ARM AT A POINT SPACED FROM THE JUNCTURE BETWEEN SAID SPRING AND SPACE TORQUE ARM, AND (E) MEANS COUPLED TO SAID SPRING AT A POINT SPACED FROM THE SAID JUNCTURE FOR VARYING THE TORQUE APPLIED TO SAID WEIGHT THROUGH SAID SPRING.
Claim 2
Dependent Claim
116 words
IN A SUSPENSION FOR A WEIGHT RESPONSIVE TO ACCELERATIONS FORCES, THE COMBINATION WHICH COMPRISES: (A) A SPRING HAVING A CLOSED GAS-FILLED CHAMBER THEREIN, SAID GAS COMPENSATING FOR CHANGES IN THE SPRING IN RESPONSE TO CHANGES IN TEMPERATURE, (B) SPACED HINGES SUPPORTING SAID SPRING AT ITS AXIS FOR DIFFERENTIAL ROTATION OF THE ENDS OF SAID SPRING, (C) A TORQUE ARM SECURED TO SAID SPRING INTERMEDIATE SAID HINGES, (D) MEANS FOR LINKING SAID WEIGHT TO SAID TORQUE ARM AT A POINT SPACED FROM THE JUNCTURE BETWEEN SAID SPRING AND SPACE TORQUE ARM, AND (E) MEANS COUPLED TO SAID SPRING AT A POINT SPACED FROM THE SAID JUNCTURE FOR VARYING THE TORQUE APPLIED TO SAID WEIGHT THROUGH SAID SPRING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |