Patent US3344995A successfully refreshed from Google Patents.
US3344995A
Expired / Lapsed
US
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Method and apparatus for disintegrating concrete and like materials
Assignee: Individual
•
Filing: 1964-07-15
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Granted: 1967-10-03
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Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Koetters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:12
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/10; B06B1/16; E; E04; E04G; E04G23/00; E04G23/08; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD OF DISINTEGRATING A MATERIAL THICKNESS COMPRISING COUPLING TO SAID THICKNESS A WAVE GENERATOR CAPABLE OF PRODUCING A DYNAMIC SINUSOIDAL ALTERNATING FORCE, GENERATING IN SAID WAVE GENERATOR A SINUSOIDAL FORCE HAVING A PERIPHERY $ IN A RANGE FREQUENCIES SUBSTANTIALLY EQUAL TO THE FREQUENCY $ OF THE MATERIAL THICKNESS TO BE DISINTEGRATED, AND MAINTAINING SUBSTAN-
Claim 2
Independent Claim
55 words
A METHOD OF DISINTEGRATING A MATERIAL THICKNESS COMPRISING COUPLING TO SAID THICKNESS A WAVE GENERATOR CAPABLE OF PRODUCING A DYNAMIC SINUSOIDAL ALTERNATING FORCE, GENERATING IN SAID WAVE GENERATOR A SINUSOIDAL FORCE HAVING A PERIPHERY $ IN A RANGE FREQUENCIES SUBSTANTIALLY EQUAL TO THE FREQUENCY $ OF THE MATERIAL THICKNESS TO BE DISINTEGRATED, AND MAINTAINING SUBSTAN-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |