US3174443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table of adjustable height
Assignee: Individual
•
Filing: 1962-04-13
•
Granted: 1965-03-23
•
Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 Rothenbuhler Alfred Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:40
CPC Classifications
A; A47; A47B; A47B3/00; A47B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A TABLE OF ADJUSTABLE HEIGHT, IN COMBINATION, A TABLE TOP PROVIDED ON ITS UNDERSIDE WITH A PAIR OF PARALLEL RAILS, A PAIR OF CROSSED LEGS SUPPORTING SAID TABLE TOP, SAID LEGS BEING PIVOTALLY INTERCONNECTED SUBSTANTIALLY AT THEIR CENTERS AND BEING PROVIDED AT THEIR TOPS WITH TRANSVERSE EXTENSIONS SLIDABLY RECEIVED IN SAID RAILS ON OPPOSITE SIDES OF SAID LEGS FOR SLIDING DISPLACEMENT IN A DIRECTION TRANSVERSE TO THE PIVOTAL AXIS OF SAID LEGS, SAID LEGS HAVING LOWER EXTREMITIES SLIDABLY RESTING ON A SUPPORTING FLOOR WHEREBY SAID EXTREMITIES SLIDABLY RESTING ON A SUPPORTING FLOOR TOGETHER UPON A RAISING OF SAID TABLE TOP AND ARE SPREAD APART UPON A LOWERING THEREOF, CONTRACTILE SPRING MEANS ANCHORED TO SAID EXTENSIONS UNDER A TENSION SUFFICIENT TO
Claim 2
Dependent Claim
121 words
IN A TABLE OF ADJUSTABLE HEIGHT, IN COMBINATION, A TABLE TOP PROVIDED ON ITS UNDERSIDE WITH A PAIR OF PARALLEL RAILS, A PAIR OF CROSSED LEGS SUPPORTING SAID TABLE TOP, SAID LEGS BEING PIVOTALLY INTERCONNECTED SUBSTANTIALLY AT THEIR CENTERS AND BEING PROVIDED AT THEIR TOPS WITH TRANSVERSE EXTENSIONS SLIDABLY RECEIVED IN SAID RAILS ON OPPOSITE SIDES OF SAID LEGS FOR SLIDING DISPLACEMENT IN A DIRECTION TRANSVERSE TO THE PIVOTAL AXIS OF SAID LEGS, SAID LEGS HAVING LOWER EXTREMITIES SLIDABLY RESTING ON A SUPPORTING FLOOR WHEREBY SAID EXTREMITIES SLIDABLY RESTING ON A SUPPORTING FLOOR TOGETHER UPON A RAISING OF SAID TABLE TOP AND ARE SPREAD APART UPON A LOWERING THEREOF, CONTRACTILE SPRING MEANS ANCHORED TO SAID EXTENSIONS UNDER A TENSION SUFFICIENT TO
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |