Patent US5933760A successfully refreshed from Google Patents.
Patent US3083806A successfully refreshed from Google Patents.
US3083806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable work support
Assignee: Individual
•
Filing: 1961-01-03
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Granted: 1963-04-02
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Clifford L Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:28
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN ADJUSTABLE WORK SUPPORT COMPRISING, IN COMBINATION, UPWARDLY CONVERGING PAIRS OF PARALLEL LEGS PIVOTALLY CONNECTED AT THEIR UPPER ENDS, A WORKPIECE-RECEIVING ROLLER JOURNALED BETWEEN THE UPPER END PORTIONS OF THE PAIRS OF LEGS, SPACED PARALLEL UPPER AND LOWER ANGLE BARS EXTENDING BETWEEN THE PARALLEL LEGS, PAIRS OF BRACKETS ON THE LOWER PORTIONS OF THE LEGS. GENERALLY V-SHAPED PULLING HANDLES HAVING THEIR END PORTIONS JOURNALED IN THE PAIRS OF BRACKETS FOR VERTICAL SWINGING MOVEMENT BETWEEN OPERATIVE AND INOPERATIVE POSITIONS, SAID HANDLES INCLUDING GENERALLY STRAIGHT, HORIZONTAL APEX PORTIONS YIELDINGLY ENGAGEABLE UNDER TENSION IN THE UPPER ANGLE BARS FOR FRICTIONALLY RETAINING SAID HANDLES IN INOPERATIVE POSITION, AND MEANS FOR ADJUSTING THE LOWER ENDS OF THE PAIRS OF LEGS TOWARD OR AWAY FROM EACH OTHER FOR VERTICALLY ADJUSTING THE ROLLER.
Claim 2
Dependent Claim
126 words
AN ADJUSTABLE WORK SUPPORT COMPRISING, IN COMBINATION, UPWARDLY CONVERGING PAIRS OF PARALLEL LEGS PIVOTALLY CONNECTED AT THEIR UPPER ENDS, A WORKPIECE-RECEIVING ROLLER JOURNALED BETWEEN THE UPPER END PORTIONS OF THE PAIRS OF LEGS, SPACED PARALLEL UPPER AND LOWER ANGLE BARS EXTENDING BETWEEN THE PARALLEL LEGS, PAIRS OF BRACKETS ON THE LOWER PORTIONS OF THE LEGS. GENERALLY V-SHAPED PULLING HANDLES HAVING THEIR END PORTIONS JOURNALED IN THE PAIRS OF BRACKETS FOR VERTICAL SWINGING MOVEMENT BETWEEN OPERATIVE AND INOPERATIVE POSITIONS, SAID HANDLES INCLUDING GENERALLY STRAIGHT, HORIZONTAL APEX PORTIONS YIELDINGLY ENGAGEABLE UNDER TENSION IN THE UPPER ANGLE BARS FOR FRICTIONALLY RETAINING SAID HANDLES IN INOPERATIVE POSITION, AND MEANS FOR ADJUSTING THE LOWER ENDS OF THE PAIRS OF LEGS TOWARD OR AWAY FROM EACH OTHER FOR VERTICALLY ADJUSTING THE ROLLER.
References Cited (Backward Citations)
US131920A
Cited
US285818A
Cited
GB190207757A
Cited
US1038514A
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US2637449A
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US2701425A
Cited
US2653347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |