US3172022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapered gap means for magnetic translating device
Assignee: Tibbetts Industries Inc
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Filing: 1962-07-06
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Granted: 1965-03-02
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 George C Tibbetts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:16
CPC Classifications
H; H04; H04R; H04R11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A MAGNETIC TRANSLATING DEVICE INCLUDING A ARMATURE HAVING A SUBSTANTIALLY RIGIDLY FIXED PORTION AND A VIBRATORY PORTION, THE IMPROVEMENT COMPRISING MEANS, DEFINING AT LEAST ONE TAPERED GAP BETWEEN THE ARMATURE OF SAID TRANSLATING DEVICE AND MEANS SUPPLYING A MAGNETIC FIELD IN THE VICINITY OF A VIBRATORY REGION OF THE ARMATURE, CLOSABLE SUBSTANTIALLY SECTORWISE, AND DEFINING A SUBSTANTIALLY INVARIANT RELATIVE FLUX DISTRIBUTION IN SAID GAP THROUGHOUT DEFLECTIONS OF THE ARMATURE, THE FIRSTNAMED MEANS COMPRISING SURFACES LYING IN RESPECTIVE PLANES INTERSECTING IN A LINE SUBSTANTIALLY FIXED RELATIVE TO AND SPACED FROM THE FIXED PORTION OF THE ARMATURE.
Claim 2
Dependent Claim
96 words
IN A MAGNETIC TRANSLATING DEVICE INCLUDING A ARMATURE HAVING A SUBSTANTIALLY RIGIDLY FIXED PORTION AND A VIBRATORY PORTION, THE IMPROVEMENT COMPRISING MEANS, DEFINING AT LEAST ONE TAPERED GAP BETWEEN THE ARMATURE OF SAID TRANSLATING DEVICE AND MEANS SUPPLYING A MAGNETIC FIELD IN THE VICINITY OF A VIBRATORY REGION OF THE ARMATURE, CLOSABLE SUBSTANTIALLY SECTORWISE, AND DEFINING A SUBSTANTIALLY INVARIANT RELATIVE FLUX DISTRIBUTION IN SAID GAP THROUGHOUT DEFLECTIONS OF THE ARMATURE, THE FIRSTNAMED MEANS COMPRISING SURFACES LYING IN RESPECTIVE PLANES INTERSECTING IN A LINE SUBSTANTIALLY FIXED RELATIVE TO AND SPACED FROM THE FIXED PORTION OF THE ARMATURE.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |