US3229224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for maintaining parallelism and distance between two objects
Assignee: General Time Corp
•
Filing: 1963-07-03
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Granted: 1966-01-11
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Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Waly Adnan
- 👤 John B Gerrish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:53
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/13; H01S3/139
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
84 words
IN APPARATUS FOR MAINTAINING A CONSTANT LENGTH, THE COMBINATION WHICH COMPRISES, A MAGNETOSTRICTIVE BODY SUBJECT TO CHANGES IN LENGTH IN RESPONSE TO THE APPLICATION THERETO OF PRESCRIBED EFFECTS, MEANS IN THERMAL CONTACT WITH THE BODY FOR DIRECTLY SENSING THE TEMPERATURE OF THE SAME, AND MEANS ASSOCIATED WITH THE TEMPERATURE SENSING MEANS FOR APPLYING A VARYING MAGNETIC FIELD TO THE BODY IN ACCORDANCE WITH THE SENSED TEMPERATURE SO THAT THE LENGTH OF THE BODY IS CHANGED IN A DIRECTION TO COMPENSATE FOR THERMAL EFFECTS THEREON.
Claim 2
Dependent Claim
84 words
IN APPARATUS FOR MAINTAINING A CONSTANT LENGTH, THE COMBINATION WHICH COMPRISES, A MAGNETOSTRICTIVE BODY SUBJECT TO CHANGES IN LENGTH IN RESPONSE TO THE APPLICATION THERETO OF PRESCRIBED EFFECTS, MEANS IN THERMAL CONTACT WITH THE BODY FOR DIRECTLY SENSING THE TEMPERATURE OF THE SAME, AND MEANS ASSOCIATED WITH THE TEMPERATURE SENSING MEANS FOR APPLYING A VARYING MAGNETIC FIELD TO THE BODY IN ACCORDANCE WITH THE SENSED TEMPERATURE SO THAT THE LENGTH OF THE BODY IS CHANGED IN A DIRECTION TO COMPENSATE FOR THERMAL EFFECTS THEREON.
Claim 3
Dependent Claim
49 words
IN APPARATUS FOR MAINTAINING A DESIRED SPACING, THE COMBINATION WHICH COMPRISES A PAIR OF REFERENCE SURFACES, A SUPPORTING STRUCTURE WHICH SUPPORTS SAID SURFACES, MEANS COUPLED WITH THE SUPPORTING STRUCTURE AND DIRECTLY RESPONSIVE TO CHANGES IN LENGTH OF THE SUPPORTING STRUCTURE INDUCED BY VIBRATION FOR PRODUCING AN ELECTRICAL SIGNAL HAV-
Claim 4
Dependent Claim
49 words
IN APPARATUS FOR MAINTAINING A DESIRED SPACING, THE COMBINATION WHICH COMPRISES A PAIR OF REFERENCE SURFACES, A SUPPORTING STRUCTURE WHICH SUPPORTS SAID SURFACES, MEANS COUPLED WITH THE SUPPORTING STRUCTURE AND DIRECTLY RESPONSIVE TO CHANGES IN LENGTH OF THE SUPPORTING STRUCTURE INDUCED BY VIBRATION FOR PRODUCING AN ELECTRICAL SIGNAL HAV-
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |