US3084392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a gaseous blast and for producing glass fibers
Assignee: Johns Manville Fiber Glass Inc
•
Filing: 1958-04-02
•
Granted: 1963-04-09
•
Expires: 1978-04-02
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:23
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/06; C03B37/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS FOR PRODUCING GLASS FIBERS COMPRISING THE STEPS OF: (A) INJECTING A PRESSURIZED STREAM OF COMBUSTION AIR INTO A REFRACTORY LINED COMBUSTION SPACE OF ELONGATED AND FREE FLOW CONFIGURATION; (B) INSPIRATING A VOLUME OF COMBUSTIBLE FUEL WITH SAID PRESURIZED STREAM GREATER THAN THAT WHICH WILL PRODUCE COMPLETE COMBUSTION WITH THE AIR OF SAID STREAM;
Claim 2
Dependent Claim
55 words
A PROCESS FOR PRODUCING GLASS FIBERS COMPRISING THE STEPS OF: (A) INJECTING A PRESSURIZED STREAM OF COMBUSTION AIR INTO A REFRACTORY LINED COMBUSTION SPACE OF ELONGATED AND FREE FLOW CONFIGURATION; (B) INSPIRATING A VOLUME OF COMBUSTIBLE FUEL WITH SAID PRESURIZED STREAM GREATER THAN THAT WHICH WILL PRODUCE COMPLETE COMBUSTION WITH THE AIR OF SAID STREAM;
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |