US3105779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic cleaning method
Assignee: Bendix Corp
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Filing: 1962-02-01
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Granted: 1963-10-01
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Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Bulat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:49
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF CLEANING AND REMOVING HEAVY CONTAMINANTS FROM SURFACES OF ARTICLES WHICH COMPRISES THE STEPS OF IMMERSING SAID ARTICLES IN A TRICHLOROTRIFLUOROETHANE SOLUTION, HEATING SAID SOLUTION TO A TEMPERATURE FROM 104*F. TO 117.6*F., AND CAVITATING SAID SOLUTION FOR NOT LESS THAN 10 SECONDS NOR MORE THAN 30 SECONDS BY THE APPLICATION OF SONIC ENERGY AT A FREQUENCT ABOVE 10 KILOCYCLES PER SECOND.
Claim 2
Independent Claim
63 words
THE METHOD OF CLEANING AND REMOVING HEAVY CONTAMINANTS FROM SURFACES OF ARTICLES WHICH COMPRISES THE STEPS OF IMMERSING SAID ARTICLES IN A TRICHLOROTRIFLUOROETHANE SOLUTION, HEATING SAID SOLUTION TO A TEMPERATURE FROM 104*F. TO 117.6*F., AND CAVITATING SAID SOLUTION FOR NOT LESS THAN 10 SECONDS NOR MORE THAN 30 SECONDS BY THE APPLICATION OF SONIC ENERGY AT A FREQUENCT ABOVE 10 KILOCYCLES PER SECOND.
References Cited (Backward Citations)
US2802758A
Cited
US2967119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |