US3260465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas torch
Assignee: Individual
•
Filing: 1964-11-17
•
Granted: 1966-07-12
•
Expires: 1984-11-17
Abstract
No abstract record available.
Inventors
- 👤 Grumbein Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:36
CPC Classifications
F; F23; F23D; F23D99/00; F23D99/002; F23D99/004; F23D2206/00; F23D2206/0094; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49348
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A GAS TORCH INCLUDING AN ELONGATED CYLINDRICAL MIXING CHAMBER, SAID CHAMBER BEING DEFINED BY AN ELONGATED TUBULAR MEMBER HAVING THE OPPOSITE ENDS THEREOF OPEN, A PLURALITY OF SLOTS EXTENDING LONGITUDINALLY INWARD FROM ONE END OF SAID MEMBER, SAID SLOTS BEING SPACED PERIPHERALLY ABOUT THE MEMBER AND DEFINING A PLURALITY OF INTEGRAL TABS, SELECTED ONES OF SAID TABS BEING FOLDED GENERALLY LATERALLY INWARD TOWARD EACH OTHER, THE INNER ENDS OF THE INWARDLY FOLDED TABS BEING GENERALLY COPLANAR AND SPACED FROM EACH OTHER SO AS TO DEFINE A PASSAGE, AND A GAS NOZZLE PROJECTING THROUGH SAID PASSAGE AND BEING FIXED TO THE INNER ENDS OF THE INWARDLY FOLDED TABS.
Claim 2
Dependent Claim
107 words
A GAS TORCH INCLUDING AN ELONGATED CYLINDRICAL MIXING CHAMBER, SAID CHAMBER BEING DEFINED BY AN ELONGATED TUBULAR MEMBER HAVING THE OPPOSITE ENDS THEREOF OPEN, A PLURALITY OF SLOTS EXTENDING LONGITUDINALLY INWARD FROM ONE END OF SAID MEMBER, SAID SLOTS BEING SPACED PERIPHERALLY ABOUT THE MEMBER AND DEFINING A PLURALITY OF INTEGRAL TABS, SELECTED ONES OF SAID TABS BEING FOLDED GENERALLY LATERALLY INWARD TOWARD EACH OTHER, THE INNER ENDS OF THE INWARDLY FOLDED TABS BEING GENERALLY COPLANAR AND SPACED FROM EACH OTHER SO AS TO DEFINE A PASSAGE, AND A GAS NOZZLE PROJECTING THROUGH SAID PASSAGE AND BEING FIXED TO THE INNER ENDS OF THE INWARDLY FOLDED TABS.
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |