US3202049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispenser for microscope objective
Assignee: Bausch and Lomb Inc
•
Filing: 1961-11-29
•
Granted: 1965-08-24
•
Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Selah J Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:43
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE COMBINATION IN A LIQUID DISPENSER WHICH IS MOUNTED ON AN OIL IMMERSION TYPE OF MICROSCOPE OBEJCTIVE HAVING A SIDE WALL AND ABOTTOM WALL FO A SHELL SURROUNDING AND SPACED FROM SAID SIDE WALL AND EXTENDING BENEATH SAID BOTTOM WALL OF THE OBJECTIVE TO FORM THEREWITH A LIQUID HOLDING CHAMBER, MEANS INCLUDING AN INCLINED CONNECTION CONSTRUCTED JOINTLY ON THE UPPER END OF THE SHELL AND OBJECTIVE SIDE WALL FOR MOUNTING THE SHELL FOR LONGITUDINAL MOTION ON THE OBJECTIVE UPON ROTATION OF AID SHELL, AND AN ANNULAR SEATING SURFACE FORMED ON THE LOWERMOST PART OF SAID SHELL AROUND A CENTRAL DISCHARGE ORIFICE IN SAID BOTTOM WALL, SAID SEATING SURFACE BEING FORMED TO FIT AGAINST AND COOPERATE WITH THE BOTTOM WALL IN ONE OPERATIVE POSITION OF THE SHELL TO FORM THERWITH A VALVE FOR GOVERNING EXIT OF THE LIQUID HELD IN SAID CHAMBER.
Claim 2
Dependent Claim
141 words
THE COMBINATION IN A LIQUID DISPENSER WHICH IS MOUNTED ON AN OIL IMMERSION TYPE OF MICROSCOPE OBEJCTIVE HAVING A SIDE WALL AND ABOTTOM WALL FO A SHELL SURROUNDING AND SPACED FROM SAID SIDE WALL AND EXTENDING BENEATH SAID BOTTOM WALL OF THE OBJECTIVE TO FORM THEREWITH A LIQUID HOLDING CHAMBER, MEANS INCLUDING AN INCLINED CONNECTION CONSTRUCTED JOINTLY ON THE UPPER END OF THE SHELL AND OBJECTIVE SIDE WALL FOR MOUNTING THE SHELL FOR LONGITUDINAL MOTION ON THE OBJECTIVE UPON ROTATION OF AID SHELL, AND AN ANNULAR SEATING SURFACE FORMED ON THE LOWERMOST PART OF SAID SHELL AROUND A CENTRAL DISCHARGE ORIFICE IN SAID BOTTOM WALL, SAID SEATING SURFACE BEING FORMED TO FIT AGAINST AND COOPERATE WITH THE BOTTOM WALL IN ONE OPERATIVE POSITION OF THE SHELL TO FORM THERWITH A VALVE FOR GOVERNING EXIT OF THE LIQUID HELD IN SAID CHAMBER.
References Cited (Backward Citations)
US2252543A
Cited
US2764061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |