Patent US3261210A successfully refreshed from Google Patents.
US3261210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive accelerometer
Assignee: Individual
•
Filing: 1960-12-02
•
Granted: 1966-07-19
•
Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Theodor A Buchhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:01
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/58; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/13; G01P15/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN A THREE-AXIS ACCELEROMETER, A CASE, A PROOF MASS HAVING A PAIR OF OPPOSITE BROAD SURFACES MADE OF MATERIAL WHICH BECOMES SUPERCONDUCTIVE AT A CRYOGENIC TEMPERATURE, NORMAL TO EACH OF THREE MUTUALLY ORTHOGONAL AXES, THREE PAIRS OF SUPPORT COILS MADE OF MATERIAL WHICH BECOMES SUPERCONDUCTIVE AT CRYOGENIC TEMPERATURES THREE PAIRS OF CAPACITIVE PICK-OFF MEANS, EACH OF SAID SUPPORT COILS AND PICK-OFF MEANS BEING ATTACHED TO A SEPARATE WALL OF SAID CASE OPPOSITE ONE OF SAID BROAD SURFACES, EACH OF SAID PAIRS OF COILS AND SAID PAIRS OF PICK-OFF MEANS BEING POSITIONED NORMAL TO A SEPARATE ONE OF SAID AXES, MEANS FOR MAINTAINING SAID CASE AND ITS CONTENTS AT A CRYOGENIC TEMPERATURE, MEANS FOR DEVELOPING A SEPARATE CONTROL CURRENT CONNECTED TO EACH OF SAID PAIRS OF COILS FOR MAINTAINING SAID PROOF MASS IN A BALANCED POSITION MAGNETICALLY SUPPORTED IN SAID CASE, AND A.-C. POWER SOURCE MEANS CONNECTED TO EACH OF SAID PAIRS OF PICK-OFF MEANS, EACH SAID CURRENT DEVELOPING MEANS BEING OPERATIVELY CONNECTED TO AN ASSOCIATED PAIR OF SAID PICK-OFF MEANS.
Claim 2
Dependent Claim
170 words
IN A THREE-AXIS ACCELEROMETER, A CASE, A PROOF MASS HAVING A PAIR OF OPPOSITE BROAD SURFACES MADE OF MATERIAL WHICH BECOMES SUPERCONDUCTIVE AT A CRYOGENIC TEMPERATURE, NORMAL TO EACH OF THREE MUTUALLY ORTHOGONAL AXES, THREE PAIRS OF SUPPORT COILS MADE OF MATERIAL WHICH BECOMES SUPERCONDUCTIVE AT CRYOGENIC TEMPERATURES THREE PAIRS OF CAPACITIVE PICK-OFF MEANS, EACH OF SAID SUPPORT COILS AND PICK-OFF MEANS BEING ATTACHED TO A SEPARATE WALL OF SAID CASE OPPOSITE ONE OF SAID BROAD SURFACES, EACH OF SAID PAIRS OF COILS AND SAID PAIRS OF PICK-OFF MEANS BEING POSITIONED NORMAL TO A SEPARATE ONE OF SAID AXES, MEANS FOR MAINTAINING SAID CASE AND ITS CONTENTS AT A CRYOGENIC TEMPERATURE, MEANS FOR DEVELOPING A SEPARATE CONTROL CURRENT CONNECTED TO EACH OF SAID PAIRS OF COILS FOR MAINTAINING SAID PROOF MASS IN A BALANCED POSITION MAGNETICALLY SUPPORTED IN SAID CASE, AND A.-C. POWER SOURCE MEANS CONNECTED TO EACH OF SAID PAIRS OF PICK-OFF MEANS, EACH SAID CURRENT DEVELOPING MEANS BEING OPERATIVELY CONNECTED TO AN ASSOCIATED PAIR OF SAID PICK-OFF MEANS.
References Cited (Backward Citations)
US2871703A
Cited
US3015960A
Cited
US2591921A
Cited
US2888256A
Cited
US2840366A
Cited
US2943493A
Cited
US2916279A
Cited
US3026151A
Cited
US2919583A
Cited
US2942479A
Cited
US2968952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |