US3306596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated-gas system with apparatus for removing gas-borne foreign bodies
Assignee: American Gas Association Inc
•
Filing: 1965-01-28
•
Granted: 1967-02-28
•
Expires: 1985-01-28
Abstract
No abstract record available.
Inventors
- 👤 George T Hollowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/22; Y; Y10; Y10S; Y10S55/00; Y10S55/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
A STRUCTURE FOR ENTRAPPING GAS-BORNE FOREIGN BODIES AND FOR SUPPORTING SAID FOREIGN BODIES FOR SUBSEQUENT INCINERATION, COMPRISING A CELLULAR CERAMIC FILTER HAVING A PLURALITY OF RECESSES ON ONE SURFACE THEREOF OF LARGER DIAMETER THAN THE OPENINGS OF SAID FILTER, SAID RECESSES EXTENDING IN DEPTH ONLY PARTIALLY THROUGH SAID FILTER.
References Cited (Backward Citations)
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US3132006A
Cited
US2983486A
Cited
US3031772A
Cited
US3263343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |