US3194542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipette rotator
Assignee: Individual
•
Filing: 1964-03-04
•
Granted: 1965-07-13
•
Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Pfeifer Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:45
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; B; B01; B01F; B01F29/00; B01F29/30; B01F29/31; B01F29/80; B01F29/83; B01L; B01L1/00; B01L1/02; B01L3/00; B01L3/50; B01L3/508
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A PIPETTE ROTATOR COMPRISING A FRAME, MEANS ON SAID FRAME FOR IMPOSING ONLY HORIZONTAL RESTRAINT ON A PIPETTE TO BE ROTATED ABOUT THE AXIS OF THE PIPETTE WHEN DISPOSED HORIZONTALLY AND ABUTTING SAID IMPOSING MEANS, MEANS INCLUDING A HORIZONTAL FLEXIBLE BAND CONSTITUTING THE SOLE VERTICAL SUPPORT OF SAID PIPETTE AND DISPOSED IN FRICTIONAL TRANSVERSE ENGAGEMENT WITH THE UNDERSIDE OF SAID PIPETTE, AND MEANS FOR HORIZONTALLY ADVANCING SAID BAND FOR SO ROTATING SAID PIPETTE.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |