Patent US3171541A successfully refreshed from Google Patents.
US3171541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display apparatus
Assignee: Individual
•
Filing: 1963-03-05
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Granted: 1965-03-02
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Expires: 1983-03-05
Abstract
No abstract record available.
Inventors
- 👤 Weisberger David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:18
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
DISPLAY APPARATUS COMPRISING IN COMBINATION, A FRAME INCLUDING A PAIR OF SUBSTANTIALLY V-SHAPED END MEMBERS, A PLURALITY OF SPACED SUPPORTING MEMBERS AFFIXED TO CORRESPONDING ARMS OF SAID END MEMBERS, A LADDER-LIKE STRUCTURE COMPRISING RUNNERS SEPARATED BY A PLURALITY OF SPACED RUNGS, SAID STRUCTURE BEING MOVABLY MOUNTED ON SAID FRAME FOR SLIDING TRANSLATION, AND SAID STRUCTURE BEING FURTHER MOUNTED ON SAID FRAME SUCH THAT SAID SUPPORTING MEMBERS AND SAID RUNGS ARE RELATIVELY POSITIONED TO DEFINE A PLURALITY OF STACKED SHELVES, AND LINKAGE MEANS CONNECTED TO SAID FRAME AND TO SAID LADDERLIKE STRUCTURE FOR IMPARTING TRANSLATORY MOTION TO SAID STRUCTURE RELATIVE TO SAID FRAME, THEREBY TO VARY THE ANGULAR ORIENTATION OF SAID SHELVES.
Claim 2
Dependent Claim
111 words
DISPLAY APPARATUS COMPRISING IN COMBINATION, A FRAME INCLUDING A PAIR OF SUBSTANTIALLY V-SHAPED END MEMBERS, A PLURALITY OF SPACED SUPPORTING MEMBERS AFFIXED TO CORRESPONDING ARMS OF SAID END MEMBERS, A LADDER-LIKE STRUCTURE COMPRISING RUNNERS SEPARATED BY A PLURALITY OF SPACED RUNGS, SAID STRUCTURE BEING MOVABLY MOUNTED ON SAID FRAME FOR SLIDING TRANSLATION, AND SAID STRUCTURE BEING FURTHER MOUNTED ON SAID FRAME SUCH THAT SAID SUPPORTING MEMBERS AND SAID RUNGS ARE RELATIVELY POSITIONED TO DEFINE A PLURALITY OF STACKED SHELVES, AND LINKAGE MEANS CONNECTED TO SAID FRAME AND TO SAID LADDERLIKE STRUCTURE FOR IMPARTING TRANSLATORY MOTION TO SAID STRUCTURE RELATIVE TO SAID FRAME, THEREBY TO VARY THE ANGULAR ORIENTATION OF SAID SHELVES.
References Cited (Backward Citations)
GB331532A
Cited
US1815858A
Cited
US1927353A
Cited
CH226428A
Cited
US2431423A
Cited
US2600298A
Cited
GB878617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |