US3130331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear motors
Assignee: Ricoh Printing Systems America Inc
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Filing: 1961-06-26
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Granted: 1964-04-21
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Gale A Jallen
- 👤 Robert R Reisinger
- 👤 Donald K Sampson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:55
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/02; H02K41/03; H02K41/031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
APPARATUS OF THE CLASS ABOVE DESCRIBED, COMPRISING; A PAIR OF MAGNETIZABLE CORE MEMBERS; MEANS MOUNTING SAID CORE MEMBERS IN SPACED APART SUPERPOSED RELATIONSHIP; A PLURALITY OF WINDINGS AND A LIKE PLURALITY OF MAGNETIZABLE POLE MEMBERS MOUNTED ALTERNATELY ON EACH OF SAID CORE MEMBERS SO AS TO PROVIDE SAID CORE MEMBERS WITH SUPERPOSED CORRESPONDING WINDINGS AND POLE MEMBERS; NON-MAGNETIZABLE MEMBERS CONTAINING THE POLE MEMBERS ON EACH OF SAID CORE MEMBERS IN SPACED RELATIONSHIP SO THAT ALTERNATE VOLUMES OF EQUAL AXIAL LENGTH ARE PROVIDED ON SAID CORE MEMBERS AND COMPLEMENTARY RELATIONSHIP EXISTS THEREBETWEEN; A PLURALITY OF LINEAR GUIDE MEMBERS IN SUPERPOSED RELATIONSHIP POSITIONED BETWEEN
Claim 2
Dependent Claim
102 words
APPARATUS OF THE CLASS ABOVE DESCRIBED, COMPRISING; A PAIR OF MAGNETIZABLE CORE MEMBERS; MEANS MOUNTING SAID CORE MEMBERS IN SPACED APART SUPERPOSED RELATIONSHIP; A PLURALITY OF WINDINGS AND A LIKE PLURALITY OF MAGNETIZABLE POLE MEMBERS MOUNTED ALTERNATELY ON EACH OF SAID CORE MEMBERS SO AS TO PROVIDE SAID CORE MEMBERS WITH SUPERPOSED CORRESPONDING WINDINGS AND POLE MEMBERS; NON-MAGNETIZABLE MEMBERS CONTAINING THE POLE MEMBERS ON EACH OF SAID CORE MEMBERS IN SPACED RELATIONSHIP SO THAT ALTERNATE VOLUMES OF EQUAL AXIAL LENGTH ARE PROVIDED ON SAID CORE MEMBERS AND COMPLEMENTARY RELATIONSHIP EXISTS THEREBETWEEN; A PLURALITY OF LINEAR GUIDE MEMBERS IN SUPERPOSED RELATIONSHIP POSITIONED BETWEEN
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |