Patent US3273879A successfully refreshed from Google Patents.
US3273879A
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Compound sine plate
Assignee: Individual
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Filing: 1963-09-13
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Granted: 1966-09-20
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Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Olaf J Floren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:40
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/5443; B23Q2210/00; B23Q2210/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A UNIVERSAL HOLDER FOR SUPPORTING A WORK-PIECE DURING PROCESSING COMPRISING: A BASE BLOCK DEFINING A CONCAVE SPHERICAL SURFACE; A CONVEX-CONCAVE SPHERICAL SHELL MATING IN SAID CONCAVE SPHERICAL SURFACE OF SAID BASE BLOCK; MEANS FOR CLAMPING SAID SHELL TO SAID BASE BLOCK IN VARIOUS LOCKED POSITIONS OF ANGULAR DISPLACEMENT OF SAID SHELL ABOUT ONE AXIS OF ROTATION; A FIRST GEARING MEANS FOR DRIVING SAID SHELL ABOUT SAID ONE AXIS OF ROTATION; A SHPERICALLY CONVEX WORK-HOLDER MATING WITHIN THE CONCAVE SURFACE OF SAID SHELL; MEANS FOR CLAMPING SAID WORK-HOLDER TO SAID SHELL IN VARIOUS LOCKED POSITIONS OF ANGULAR DISPLACEMENT ABOUT AN OTHER AXIS WHICH IS IN SPACE QUADRATURE WITH SAID ONE AXIS; AND A SECOND GEARING MEANS FOR DRIVING SAID WORK-HOLDER ABOUT SAID OTHER AXIS.
Claim 2
Dependent Claim
123 words
A UNIVERSAL HOLDER FOR SUPPORTING A WORK-PIECE DURING PROCESSING COMPRISING: A BASE BLOCK DEFINING A CONCAVE SPHERICAL SURFACE; A CONVEX-CONCAVE SPHERICAL SHELL MATING IN SAID CONCAVE SPHERICAL SURFACE OF SAID BASE BLOCK; MEANS FOR CLAMPING SAID SHELL TO SAID BASE BLOCK IN VARIOUS LOCKED POSITIONS OF ANGULAR DISPLACEMENT OF SAID SHELL ABOUT ONE AXIS OF ROTATION; A FIRST GEARING MEANS FOR DRIVING SAID SHELL ABOUT SAID ONE AXIS OF ROTATION; A SHPERICALLY CONVEX WORK-HOLDER MATING WITHIN THE CONCAVE SURFACE OF SAID SHELL; MEANS FOR CLAMPING SAID WORK-HOLDER TO SAID SHELL IN VARIOUS LOCKED POSITIONS OF ANGULAR DISPLACEMENT ABOUT AN OTHER AXIS WHICH IS IN SPACE QUADRATURE WITH SAID ONE AXIS; AND A SECOND GEARING MEANS FOR DRIVING SAID WORK-HOLDER ABOUT SAID OTHER AXIS.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |