Patent US3123458A successfully refreshed from Google Patents.
US3123458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for collecting dust in
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:19
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/167; C03B5/1672; C03C; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C3/12; C03C3/14; C03C3/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
66 words
THE METHOD OF REDUCING THE AMOUNT OF AIR-BORNE DUST IN AN ENVIRONMENT OF AN APPARATUS FOR PROCESSING MATERIAL AT HIGH OPERATING TEMPERATURES COMPRISING MAINTAINING WITHIN SAID ENVIRONMENT AN EXPOSED COATING OF VITREOUS MATERIAL HEAT SOFTENED TO AN ADHESIVE STATE AND WHICH REMAINS IN SAID ADHESIVE STATE AT THE SAID OPERATING TEMPERATURES IN SAID ENVIRONMENT ON A BASE OF MATERIAL WHICH IS STABLE AT SAID OPERATING TEMPERATURES.
Claim 2
Independent Claim
66 words
THE METHOD OF REDUCING THE AMOUNT OF AIR-BORNE DUST IN AN ENVIRONMENT OF AN APPARATUS FOR PROCESSING MATERIAL AT HIGH OPERATING TEMPERATURES COMPRISING MAINTAINING WITHIN SAID ENVIRONMENT AN EXPOSED COATING OF VITREOUS MATERIAL HEAT SOFTENED TO AN ADHESIVE STATE AND WHICH REMAINS IN SAID ADHESIVE STATE AT THE SAID OPERATING TEMPERATURES IN SAID ENVIRONMENT ON A BASE OF MATERIAL WHICH IS STABLE AT SAID OPERATING TEMPERATURES.
Claim 3
Dependent Claim
57 words
IN AN APPARATUS FOR MELTING GLASS WHICH INCLUDES A GLASS MELTING FURNACE AND A FLUE STRUCTURE IN OPEN COMMUNICATION THEREWITH, MEANS FOR REDUCING THE AMOUNT OF AIR-BORNE DUST WITHIN THE FURNACE COMPRISING CHECKER BRICKS IN SAID FLUE STRUCTURE COATED WITH EXPOSED GLASS WHICH IS MAINTAINED IN AN ADHESIVE STATE AT THE OPERATING TEMPERATURE OF SAID FLUE STRUCTURE.
Claim 4
Dependent Claim
57 words
IN AN APPARATUS FOR MELTING GLASS WHICH INCLUDES A GLASS MELTING FURNACE AND A FLUE STRUCTURE IN OPEN COMMUNICATION THEREWITH, MEANS FOR REDUCING THE AMOUNT OF AIR-BORNE DUST WITHIN THE FURNACE COMPRISING CHECKER BRICKS IN SAID FLUE STRUCTURE COATED WITH EXPOSED GLASS WHICH IS MAINTAINED IN AN ADHESIVE STATE AT THE OPERATING TEMPERATURE OF SAID FLUE STRUCTURE.
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |