Patent US4796188A successfully refreshed from Google Patents.
Patent US3118748A successfully refreshed from Google Patents.
US3118748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning means for filter sleeves
Assignee: Fuller Co
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Filing: 1960-08-15
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Granted: 1964-01-21
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Expires: 1980-08-15
Abstract
No abstract record available.
Inventors
- 👤 Delfs Hans-Jurgen Cla Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:41
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/66; B01D46/74; B01D46/76; B01D46/762; B01D46/02; B01D46/04; B01D49/00; B01D49/006; Y; Y10; Y10S; Y10S116/00; Y10S116/18; Y10S116/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
APPARATUS FOR REMOVING ENTRAINED OR SUSPENDED PARTICLES FROM A FLOWING GAS STREAM COMPRISING A FILTER SLEEVE THROUGH WHICH THE GAS STREAM IS ADAPTED TO FLOW, SAID FILTER SLEEVE BEING OF MATERIAL HAVING A RELATIVELY LOW DEGREE OF RESPONSE TO SONIC WAVES, A SONIC WAVE GENERATOR, A SONIC WAVE RECEIVER OF MATERIAL HAVING A HIGHER DEGREE OF RESPONSE TO SONIC WAVES THAN THE MATERIAL OF THE FILTER SLEEVE AND SONIC WAVE RECEIVER INCLUDING A SLEEVE OR COLLAR ATTACHED TO AND SNUGLY FITTING THE OUTSIDE OF THE FILTER SLEEVE AND HAVING AT LEAST TWO ARMS OF RESILIENT MATERIAL EXTENDING LATERALLY OUTWARDLY FROM SAID SLEEVE OR COLLAR, WHEREBY VIBRATIONS OR OSCILLATIONS SET UP IN THE SONIC WAVE RECEIVER WILL BE TRANSMITTED TO SAID FILTER SLEEVE.
Claim 2
Dependent Claim
122 words
APPARATUS FOR REMOVING ENTRAINED OR SUSPENDED PARTICLES FROM A FLOWING GAS STREAM COMPRISING A FILTER SLEEVE THROUGH WHICH THE GAS STREAM IS ADAPTED TO FLOW, SAID FILTER SLEEVE BEING OF MATERIAL HAVING A RELATIVELY LOW DEGREE OF RESPONSE TO SONIC WAVES, A SONIC WAVE GENERATOR, A SONIC WAVE RECEIVER OF MATERIAL HAVING A HIGHER DEGREE OF RESPONSE TO SONIC WAVES THAN THE MATERIAL OF THE FILTER SLEEVE AND SONIC WAVE RECEIVER INCLUDING A SLEEVE OR COLLAR ATTACHED TO AND SNUGLY FITTING THE OUTSIDE OF THE FILTER SLEEVE AND HAVING AT LEAST TWO ARMS OF RESILIENT MATERIAL EXTENDING LATERALLY OUTWARDLY FROM SAID SLEEVE OR COLLAR, WHEREBY VIBRATIONS OR OSCILLATIONS SET UP IN THE SONIC WAVE RECEIVER WILL BE TRANSMITTED TO SAID FILTER SLEEVE.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |