Patent US3232117A successfully refreshed from Google Patents.
US3232117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micrometer buret
Assignee: ROGER GILMONT INSTRUMENTS Inc
•
Filing: 1962-09-14
•
Granted: 1966-02-01
•
Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 Gilmont Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:47
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/021; B01L3/0217; B01L3/0224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A BURET COMPRISING A GLASS TUBE HAVING A BORE COMMUNICATING AT ONE END WITH AN EXIT ORIFICE AND HAVING AN OPENING AT ITS OTHER END, A PLUNGER OF POLYHALOGENATED ETHYLENE PASSING THROUGH SAID OPENING AND SLIDABLE IN SAID BORE, THE EXTERIOR OF SAID PLUNGER AND THE INTERIOR OF SAID BORE BEING OF CLOSELY THE SAME SIZE AND SHAPE SO AS TO ENGAGE ONE ANOTHER ENTIRELY AROUND SAID PLUNGER WITH A SLIDING LIQUID-TIGHT SEAL, MOUNTING MEANS FOR SUPPORTING SAID TUBE AND SAID PLUNGER, AND MEANS ON SAID MOUNTING MEANS FOR MOVING SAID PLUNGER FORWARDLY AND REARWARDLY THROUGH SAID BORE, A PORTION OF SAID PLUNGER EXTENDING OUT BEYOND THE END OF SAID TUBE, AN O-RING SURROUNDING SAID PLUNGER PORTION, AND MEANS FOR PRESSING SAID O-RING SIMULTANEOUSLY AGAINST SAID PLUNGER PORTION AND SAID END OF SAID TUBE.
Claim 2
Dependent Claim
134 words
A BURET COMPRISING A GLASS TUBE HAVING A BORE COMMUNICATING AT ONE END WITH AN EXIT ORIFICE AND HAVING AN OPENING AT ITS OTHER END, A PLUNGER OF POLYHALOGENATED ETHYLENE PASSING THROUGH SAID OPENING AND SLIDABLE IN SAID BORE, THE EXTERIOR OF SAID PLUNGER AND THE INTERIOR OF SAID BORE BEING OF CLOSELY THE SAME SIZE AND SHAPE SO AS TO ENGAGE ONE ANOTHER ENTIRELY AROUND SAID PLUNGER WITH A SLIDING LIQUID-TIGHT SEAL, MOUNTING MEANS FOR SUPPORTING SAID TUBE AND SAID PLUNGER, AND MEANS ON SAID MOUNTING MEANS FOR MOVING SAID PLUNGER FORWARDLY AND REARWARDLY THROUGH SAID BORE, A PORTION OF SAID PLUNGER EXTENDING OUT BEYOND THE END OF SAID TUBE, AN O-RING SURROUNDING SAID PLUNGER PORTION, AND MEANS FOR PRESSING SAID O-RING SIMULTANEOUSLY AGAINST SAID PLUNGER PORTION AND SAID END OF SAID TUBE.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |