US3396931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weight-balanced adjustable radiation apparatus
Assignee: Individual
•
Filing: 1965-07-21
•
Granted: 1968-08-13
•
Expires: 1985-07-21
Abstract
No abstract record available.
Inventors
- 👤 Emil L Eckstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:15
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/16; F21V21/20; F16; F16B; F16B7/00; F21V21/26; F16C; F16C11/00; F16C11/04; F16C11/10; F21V21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
ADJUSTABLE RADIATION APPARATUS COMPRISING A PARALLELOGRAM LINKAGE WITH THE LINKS THEREOF PIVOTALLY CONNECTED, A RADIATION DEVICE MOUNTED ON AN EXTENSION OF A FIRST LINK, A BALANCE WEIGHT MOUNTED ON AN EXTENSION OF A SECOND LINK PIVOTALLY CONNECTED TO THE FIRST LINK AND MOUNTING MEANS PIVOTALLY SUPPORTING THE WHOLE LINKAGE AT A JOINT OPPOSITELY ACROSS THE PARALLELOGRAM FROM THE JOINT CONNECTING THE FIRST AND SECOND LINKS, THE CENTER OF GRAVITY OF EACH LINK AND ATTACHMENT LYING ON THE LIKE AXIS OR DISPLACED LATERALLY THEREOF IN ALIGNMENT WITH THE LINK AXIS WITH THE DISPLACEMENT BEING PARALLEL TO THE MOUNTING PIVOT AXIS, AND EACH ONE OF THE TWO SUMS OF ALL WEIGHTTORQUE MOMENTS ABOUT THE AXIS OF THE SUPPORTING JOINT HAVING THE LEVERS THEREOF TAKEN WITH REFERENCE TO TWO ARBITRARY DIRECTIONS THROUGH THE SUPPORTING JOINT BEING EQUAL TO ZERO.
Claim 2
Dependent Claim
136 words
ADJUSTABLE RADIATION APPARATUS COMPRISING A PARALLELOGRAM LINKAGE WITH THE LINKS THEREOF PIVOTALLY CONNECTED, A RADIATION DEVICE MOUNTED ON AN EXTENSION OF A FIRST LINK, A BALANCE WEIGHT MOUNTED ON AN EXTENSION OF A SECOND LINK PIVOTALLY CONNECTED TO THE FIRST LINK AND MOUNTING MEANS PIVOTALLY SUPPORTING THE WHOLE LINKAGE AT A JOINT OPPOSITELY ACROSS THE PARALLELOGRAM FROM THE JOINT CONNECTING THE FIRST AND SECOND LINKS, THE CENTER OF GRAVITY OF EACH LINK AND ATTACHMENT LYING ON THE LIKE AXIS OR DISPLACED LATERALLY THEREOF IN ALIGNMENT WITH THE LINK AXIS WITH THE DISPLACEMENT BEING PARALLEL TO THE MOUNTING PIVOT AXIS, AND EACH ONE OF THE TWO SUMS OF ALL WEIGHTTORQUE MOMENTS ABOUT THE AXIS OF THE SUPPORTING JOINT HAVING THE LEVERS THEREOF TAKEN WITH REFERENCE TO TWO ARBITRARY DIRECTIONS THROUGH THE SUPPORTING JOINT BEING EQUAL TO ZERO.
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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |