US3267678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor-generating device
Assignee: Individual
•
Filing: 1964-05-06
•
Granted: 1966-08-23
•
Expires: 1984-05-06
Abstract
No abstract record available.
Inventors
- 👤 Camp Nat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:12
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/025; F22; F22B; F22B1/00; F22B1/28; F22B1/284; F22B9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A VAPOR-GENERATING DEVICE COMPRISING A BOILING CHAMBER, A RESERVOIR CONTAINING A BODY OF LIQUID SUBSTANTIALLY LARGER THAN THE VOLUME OF SAID CHAMBER, SAID BODY OF LIQUID BEING UNDER A SUBSTANTIALLY CONSTANT DOWNWARD PRESSURE OF AN OVERLYING BODY OF AIR, CAPILLARY-TUBE MEANS FORMING A RESTRICTED PASSAGE OF PREDETERMINED HYDROSTATIC RESISTANCE BETWEEN SAID RESERVOIR AND SAID CHAMBER, AND HEATING MEANS FOR BOILING A LIQUID IN SAID CHAMBER, SAID CAPILLARY-TUBE MEANS BEING SO DIMENSIONED AS TO DEVELOP THEREACROSS AN APPRECIABLE PRESSURE DIFFERENTIAL $P MAINTAINING THE LIQUID IN SAID CHAMBER AT A SUBSTANTIALLY CONSTANT LEVEL WITH DEVELOPMENT OF A SUBSTANTIALLY CONSTANT OUTPUT PRESSURE PO AT THE CHAMBER END OF SAID CAPILLARYTUBE MEANS IN THE PRESENCE OF A SUBSTANTIALLY CONSTANT INPUT PRESSURE PI AT THE RESERVOIR END OF SAID CAPILLARYTUBE MEANS, WITH PI$PO+$P.
Claim 2
Dependent Claim
128 words
A VAPOR-GENERATING DEVICE COMPRISING A BOILING CHAMBER, A RESERVOIR CONTAINING A BODY OF LIQUID SUBSTANTIALLY LARGER THAN THE VOLUME OF SAID CHAMBER, SAID BODY OF LIQUID BEING UNDER A SUBSTANTIALLY CONSTANT DOWNWARD PRESSURE OF AN OVERLYING BODY OF AIR, CAPILLARY-TUBE MEANS FORMING A RESTRICTED PASSAGE OF PREDETERMINED HYDROSTATIC RESISTANCE BETWEEN SAID RESERVOIR AND SAID CHAMBER, AND HEATING MEANS FOR BOILING A LIQUID IN SAID CHAMBER, SAID CAPILLARY-TUBE MEANS BEING SO DIMENSIONED AS TO DEVELOP THEREACROSS AN APPRECIABLE PRESSURE DIFFERENTIAL $P MAINTAINING THE LIQUID IN SAID CHAMBER AT A SUBSTANTIALLY CONSTANT LEVEL WITH DEVELOPMENT OF A SUBSTANTIALLY CONSTANT OUTPUT PRESSURE PO AT THE CHAMBER END OF SAID CAPILLARYTUBE MEANS IN THE PRESENCE OF A SUBSTANTIALLY CONSTANT INPUT PRESSURE PI AT THE RESERVOIR END OF SAID CAPILLARYTUBE MEANS, WITH PI$PO+$P.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |