Patent US4581775A successfully refreshed from Google Patents.
Patent US3185255A successfully refreshed from Google Patents.
US3185255A
Expired / Lapsed
US
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Ballast element
Assignee: Individual
•
Filing: 1960-07-26
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Granted: 1965-05-25
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Expires: 1980-07-26
Abstract
No abstract record available.
Inventors
- 👤 Merrill S Bird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:29
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/26; D06F37/265; F; F16; F16F; F16F15/00; F16F15/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN COMBINATION WITH A MACHINE HAVING MOVABLE COMPONENTS WHEREIN THE OPERATION THEREOF WILL INDUCE VIBRATION WITHIN SAID MACHINE, A BALLAST ELEMENT INCLUDING A CONTAINER, SAID CONTAINER BEING COMPRISED ENTIRELY OF PLASTIC MATERIAL, MEANS ON SAID MACHINE ENGAGING SAID PLASTIC CONTAINET FOR SECURING SAID BALLAST ELEMENT TO SAID MACHINE, SAID CONTAINER BEING OF CONTINUOUS UNITARY CONSTRUCTION, SAID CONTAINER FORMED INTO A PREDETERMINED PERMANENT SHAPE, AND A HARDENED CONCRETE SUBSTANCE IN SAID CONTAINER.
Claim 2
Dependent Claim
71 words
IN COMBINATION WITH A MACHINE HAVING MOVABLE COMPONENTS WHEREIN THE OPERATION THEREOF WILL INDUCE VIBRATION WITHIN SAID MACHINE, A BALLAST ELEMENT INCLUDING A CONTAINER, SAID CONTAINER BEING COMPRISED ENTIRELY OF PLASTIC MATERIAL, MEANS ON SAID MACHINE ENGAGING SAID PLASTIC CONTAINET FOR SECURING SAID BALLAST ELEMENT TO SAID MACHINE, SAID CONTAINER BEING OF CONTINUOUS UNITARY CONSTRUCTION, SAID CONTAINER FORMED INTO A PREDETERMINED PERMANENT SHAPE, AND A HARDENED CONCRETE SUBSTANCE IN SAID CONTAINER.
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |