US2883310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface cleaning apparatus and method
Assignee: Libbey Owens Ford Glass Co
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Filing: 1954-07-01
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Granted: 1959-04-21
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Expires: 1974-07-01
Abstract
No abstract record available.
Inventors
- 👤 James W Mcauley
- 👤 Charles H Griss
- 👤 William E Mccown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; B08B3/123
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
103 words
APPARATUS FOR CLEANING A MOVING SURFACE COMPRISING, A SUPPORT MOUNTED ABOVE THE PATH OF SAID MOVING SURFACE, A PLURALITY OF VIBRATIONS SUBSTANTIALLY NORMAL VIDED WITH WORKING FACES AND MOUNTED ON SAID SUPPORT IN A POSITION TO PROVIDE VIBRATIONS SUBSTANTIALLY NORMAL TO THE SURFACE BEING CLEANED, AND MEANS FOR BUILDING UP TO THE SURFACE BEING CLEANED, AND MEANS FOR BUILDING UP A LAYER OF AN ENERGY TRANSMITTING LIQUID ON A LOCALIZED AREA OF SAID SURFACE THAT FILLS ALL OF THE SPACE BETWEEN THE ENTIRE WORKING FACES SAID VIBRATION GENERATING ELEMENTS AND OF SAID LOCALIZED AREA AS SAID SURFACE MOVES PAST SAID VIBRATION GENERATING ELEMENTS.
Claim 2
Dependent Claim
103 words
APPARATUS FOR CLEANING A MOVING SURFACE COMPRISING, A SUPPORT MOUNTED ABOVE THE PATH OF SAID MOVING SURFACE, A PLURALITY OF VIBRATIONS SUBSTANTIALLY NORMAL VIDED WITH WORKING FACES AND MOUNTED ON SAID SUPPORT IN A POSITION TO PROVIDE VIBRATIONS SUBSTANTIALLY NORMAL TO THE SURFACE BEING CLEANED, AND MEANS FOR BUILDING UP TO THE SURFACE BEING CLEANED, AND MEANS FOR BUILDING UP A LAYER OF AN ENERGY TRANSMITTING LIQUID ON A LOCALIZED AREA OF SAID SURFACE THAT FILLS ALL OF THE SPACE BETWEEN THE ENTIRE WORKING FACES SAID VIBRATION GENERATING ELEMENTS AND OF SAID LOCALIZED AREA AS SAID SURFACE MOVES PAST SAID VIBRATION GENERATING ELEMENTS.
Claim 3
Dependent Claim
56 words
IN A METHOD OF CLEANING PLASTER FROM A SURFACE THE STEPS OF DEPOSITING AN UNCONFINED BODY OF AN ENERGY CONDUCTING LIQUID ON A LOCALIZED AREA OF SAID SURFACE, AND TRANSMITTING ELASTIC VIBRATIONS TO SAID ENERGY CONDUCTING MEDIUM TO PRODUCE A CAVITATION EFFECT THEREIN INVOLVING SUFFICIENT DISPLACEMENT TO REMOVE THE PLASTER FROM THE SURFACE THROUGH SAID LIQUID.
Claim 4
Dependent Claim
56 words
IN A METHOD OF CLEANING PLASTER FROM A SURFACE THE STEPS OF DEPOSITING AN UNCONFINED BODY OF AN ENERGY CONDUCTING LIQUID ON A LOCALIZED AREA OF SAID SURFACE, AND TRANSMITTING ELASTIC VIBRATIONS TO SAID ENERGY CONDUCTING MEDIUM TO PRODUCE A CAVITATION EFFECT THEREIN INVOLVING SUFFICIENT DISPLACEMENT TO REMOVE THE PLASTER FROM THE SURFACE THROUGH SAID LIQUID.
References Cited (Backward Citations)
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Cited
GB587214A
Cited
US2484014A
Cited
FR978290A
Cited
CH278905A
Cited
US2702260A
Cited
US2651148A
Cited
US2717319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |