US2983588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen candle burner
Assignee: MSA Research Corp
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Filing: 1959-10-22
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Granted: 1961-05-09
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Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Robert M Bovard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:29
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/0296
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN OXYGEN CANDLE BURNER COMPRISING A FRAME, A NORMALLY UPRIGHT OPEN-TOP CAN IN THE FRAME SPACED FROM THE BOTTOM THEREOF, MEANS PIVOTALLY SUPPORTING THE BOTTOM OF THE CAN ON A HORIZONTAL AXIS, MEANS FOR SWINGING THE TOP OF THE CAN OUT OF THE FRAME INTO AN INCLINED POSITION TO RECEIVE AN OXYGEN CANDLE, A COVER IN THE FRAME FOR THE TOP OF THE CAN, COVER-SUPPORTING MEANS ABOVE THE COVER MOVABLE VERTICALLY WITH AND ALSO RELATIVE TO THE COVER BETWEEN RAISED AND LOWERED POSITIONS, MANUALLY OPERABLE MEANS NORMALLY HOLDING SAID SUPPORTING MEANS IN A LOWERED POSITION, SAID HOLDING MEANS BEING MOVABLE RELATIVE TO SAID SUPPORTING MEANS, RESILIENT MEANS BETWEEN SAID SUPPORTING MEANS AND COVER PRESSING THE COVER DOWN TIGHTLY ON THE CAN, THE COVER BEING PROVIDED WITH AN
Claim 2
Dependent Claim
127 words
AN OXYGEN CANDLE BURNER COMPRISING A FRAME, A NORMALLY UPRIGHT OPEN-TOP CAN IN THE FRAME SPACED FROM THE BOTTOM THEREOF, MEANS PIVOTALLY SUPPORTING THE BOTTOM OF THE CAN ON A HORIZONTAL AXIS, MEANS FOR SWINGING THE TOP OF THE CAN OUT OF THE FRAME INTO AN INCLINED POSITION TO RECEIVE AN OXYGEN CANDLE, A COVER IN THE FRAME FOR THE TOP OF THE CAN, COVER-SUPPORTING MEANS ABOVE THE COVER MOVABLE VERTICALLY WITH AND ALSO RELATIVE TO THE COVER BETWEEN RAISED AND LOWERED POSITIONS, MANUALLY OPERABLE MEANS NORMALLY HOLDING SAID SUPPORTING MEANS IN A LOWERED POSITION, SAID HOLDING MEANS BEING MOVABLE RELATIVE TO SAID SUPPORTING MEANS, RESILIENT MEANS BETWEEN SAID SUPPORTING MEANS AND COVER PRESSING THE COVER DOWN TIGHTLY ON THE CAN, THE COVER BEING PROVIDED WITH AN
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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |