US3231980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dividing head
Assignee: Kollmorgen Corp
•
Filing: 1962-08-13
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Granted: 1966-02-01
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald H Lovins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:14
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/021; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32549; Y10T403/32557
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DEVICE FOR THE PRECISE DETERMINATION OF ANGLES, COMPRISING TWO ANNULAR ARRAYS FOF SPHERICAL ELEMENTS IN SUPERIMPOSED RELATIONSHIP, FLANGE OUTER CIRCUMFERENTIAL RETAINING MEANS FOR RESTRAINING EACH OF SAID SPHERICAL ELEMENTS IN EACH OF SAID ANNULAR ARRAYS ONLY AGAINST RADIAL OUTWARD MOVEMENT AND FOR MAINTAINING EACH SPHERICAL ELEMENT IN ENGAGEMENT WITH ADJACENT ELEMENTS, AND A PLANAR BASEPLATE FACING AND SUPPORTING EACH OF SAID RETAINING MEANS AND THE CORRESPONDING ANNULAR ARRAY OF SPHERICAL ELEMENTS WITH THE PLANAR PORTION THEREOF EXTENDING BEYOND THE MAXIMUM EXTENT OF THE SPHERICAL ELEMENTS WHEREBY ONE OF SAID ANNULAR ARRAYS CAN BE SELECTIVELY MOVED TO A SECOND POSITION THEREBY SUBTENDING A PRECISE ANGLE.
Claim 2
Independent Claim
105 words
A DEVICE FOR THE PRECISE DETERMINATION OF ANGLES, COMPRISING TWO ANNULAR ARRAYS FOF SPHERICAL ELEMENTS IN SUPERIMPOSED RELATIONSHIP, FLANGE OUTER CIRCUMFERENTIAL RETAINING MEANS FOR RESTRAINING EACH OF SAID SPHERICAL ELEMENTS IN EACH OF SAID ANNULAR ARRAYS ONLY AGAINST RADIAL OUTWARD MOVEMENT AND FOR MAINTAINING EACH SPHERICAL ELEMENT IN ENGAGEMENT WITH ADJACENT ELEMENTS, AND A PLANAR BASEPLATE FACING AND SUPPORTING EACH OF SAID RETAINING MEANS AND THE CORRESPONDING ANNULAR ARRAY OF SPHERICAL ELEMENTS WITH THE PLANAR PORTION THEREOF EXTENDING BEYOND THE MAXIMUM EXTENT OF THE SPHERICAL ELEMENTS WHEREBY ONE OF SAID ANNULAR ARRAYS CAN BE SELECTIVELY MOVED TO A SECOND POSITION THEREBY SUBTENDING A PRECISE ANGLE.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |