US3438428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for maintaining a vibratory tool at a controlled temperature
Assignee: Cavitron Corp
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Filing: 1965-03-04
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Granted: 1969-04-15
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Lewis Balamuth
- 👤 Clifford A Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:30
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B23; B23K; B23K20/00; B23K20/10; B29C66/00; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/818; B29C66/8181; B29C66/81811; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/91441; B29C66/91443; B29C66/9161; B29C66/91641; B29C66/919; B29C66/9192; B29C66/91921; B29C66/91931; B29C66/91935; B29C66/91951; B29C66/95; B29C66/951; B29C66/9512; B29C66/9513; B29C66/9516; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/83; B29C66/832; B29C66/8322; B29C66/92; B29C66/924; B29C66/9261; B29C66/92611; B29C66/929; B29C66/94; B29C66/949; B29C66/959; B29C66/9592
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
THE METHOD OF MAINTAINING THE WORKING SURFACE OF A VIBRATORY TOOL AT A CONTROLLED TEMPERATURE, COMPRISING THE STEPS OF: (A) VIBRATING THE WORKING SURFACE AT A HIGH FREQUENCY OF AT LEAST 5,000 CYCLES PER SECOND AND WITH A SMALL AMPLITUDE OF VIBRATIONS IN THE DIRECTION PERPENDICULAR TO ITS WORKING SURFACE, (B) SUPPLYING A SOURCE OF HEAT TRANSFERRING FLUID IN A GASEOUS STATE TO THE VIBRATORY TOOL, AND (C) FLOWING SAID FLUID THROUGH A PASSAGE PROVIDED IN THE TOOL HAVING A PORTION THEREOF EXTENDING SUBSTANTIALLY PARALLEL TO THE WORKING SURFACE OF THE TOOL TO REGULATE THE TEMPERATURE OF SAID SURFACE.
References Cited (Backward Citations)
CA703232A
Cited
US2397400A
Cited
GB532144A
Cited
US2498737A
Cited
US2846563A
Cited
US2960314A
Cited
US3165299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |