Patent US3403272A successfully refreshed from Google Patents.
US3403272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear and rotary electric motors adapted for use as counters
Assignee: Individual
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Filing: 1965-11-08
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Granted: 1968-09-24
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Expires: 1985-11-08
Abstract
No abstract record available.
Inventors
- 👤 Dold Siegfried August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:58
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/12; H02K21/14; H02K21/16; H02K24/00; H02K41/00; H02K41/02; H02K41/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
AN ELECTRIC MACHINE WHICH INCLUDES: A FIRST MEMBER HAVING MEANS ADAPTED TO FUNCTION AS AT LEAST ONE FIRST GROUP OF A NORTH POLE AND A SOUTH POLE, AND A SECOND MEMBER HAVING MEANS ADAPTED TO FUNCITION AS AT LEAST A SECOND GROUP OF A NORTH POLE AND A SOUTH POLE, ONE OF SAID MEMBERS BEING MOVABLE AND THE OTHER ONE OF SAID MEMBERS FORMING A STATOR, ALL OF THE GROUPS OF ONE OF SAID MEMBERS INCLUDING MEANS ADAPTED TO FUNCTION AS A THIRD POLE WITH THE POLES OF SAID LAST-MENTIONED MEMBER PERTAINING TO ONE AND THE SAME GROUP ARRANGED ONE BEHIND THE OTHER WITH REGARD TO THE MOVEMENT OF THE MOVABLE MEMBER RELATIVE TO THE STATOR AND HAVING TWO SUCCEEDING POLES OF ONE AND THE SAME GROUP OF THE SAME POLARITY AND THE THIRD POLE OF OPPOSITE POLARITY WHEREBY AND MOVABLE MEMBER IS GIVEN A PREFERED DIRECTION OF MOVEMENT.
Claim 2
Dependent Claim
149 words
AN ELECTRIC MACHINE WHICH INCLUDES: A FIRST MEMBER HAVING MEANS ADAPTED TO FUNCTION AS AT LEAST ONE FIRST GROUP OF A NORTH POLE AND A SOUTH POLE, AND A SECOND MEMBER HAVING MEANS ADAPTED TO FUNCITION AS AT LEAST A SECOND GROUP OF A NORTH POLE AND A SOUTH POLE, ONE OF SAID MEMBERS BEING MOVABLE AND THE OTHER ONE OF SAID MEMBERS FORMING A STATOR, ALL OF THE GROUPS OF ONE OF SAID MEMBERS INCLUDING MEANS ADAPTED TO FUNCTION AS A THIRD POLE WITH THE POLES OF SAID LAST-MENTIONED MEMBER PERTAINING TO ONE AND THE SAME GROUP ARRANGED ONE BEHIND THE OTHER WITH REGARD TO THE MOVEMENT OF THE MOVABLE MEMBER RELATIVE TO THE STATOR AND HAVING TWO SUCCEEDING POLES OF ONE AND THE SAME GROUP OF THE SAME POLARITY AND THE THIRD POLE OF OPPOSITE POLARITY WHEREBY AND MOVABLE MEMBER IS GIVEN A PREFERED DIRECTION OF MOVEMENT.
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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |