US3199684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable test tube racks
Assignee: Individual
•
Filing: 1964-07-06
•
Granted: 1965-08-10
•
Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Bradley Rex Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:59
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A TEAST TUBE RACK ADAPTED TO HOLD TEST TUBES AT AN ADJUSTABLE ANGLE OF INCLINATION COMPRISING A SUPPORTING FRAME, A PLURALITY OF TRAYS ADAPTED TO RECEIVE AND HOLD TEST TUBES, SAID TRAYS PIVOTALLY CONNECTED TO THE SUPPORTING FRAME IS STAGGERED POSITIONS, SIDE BARS PIVOTALLY CONNECTED TO THE FRONT CORNERS OF EACH TRAY TO PROVIDE ADJUSTABLE SUPPORT AT THE FRONT OF THE TRAYS, A POSITION LOCKING DEVICE, A POSITION INDICATING DEVICE AND TEST TUBE GUIDE MEANS.
Claim 2
Dependent Claim
75 words
A TEAST TUBE RACK ADAPTED TO HOLD TEST TUBES AT AN ADJUSTABLE ANGLE OF INCLINATION COMPRISING A SUPPORTING FRAME, A PLURALITY OF TRAYS ADAPTED TO RECEIVE AND HOLD TEST TUBES, SAID TRAYS PIVOTALLY CONNECTED TO THE SUPPORTING FRAME IS STAGGERED POSITIONS, SIDE BARS PIVOTALLY CONNECTED TO THE FRONT CORNERS OF EACH TRAY TO PROVIDE ADJUSTABLE SUPPORT AT THE FRONT OF THE TRAYS, A POSITION LOCKING DEVICE, A POSITION INDICATING DEVICE AND TEST TUBE GUIDE MEANS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |