Patent US3150392A successfully refreshed from Google Patents.
US3150392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball cleaning apparatus
Assignee: Pines Engineering Co Inc
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Filing: 1963-01-14
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Granted: 1964-09-29
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Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Donald A Molander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:44
CPC Classifications
A; A63; A63B; A63B47/00; A63B47/04; A63B2047/046; A63B2225/00; A63B2225/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN AN APPARATUS OF THE CHARACTER DESCRIBED, A HOUSING INCLUDING A TOP WALL HAVING AN OPENING THEREIN TO RECEIVE A SPHERICAL ELEMENT, A PAIR OF BUFFER WHEELS MOUNTED IN SAID HOUSING BENEATH SAID OPENING, SAID WHEELS BEING ROTATABLE ON PARALLEL AXES SPACED APART SIDE BY SIDE AND BEING ADAPTED TO SUPPORT THE SPHERICAL ELEMENT ON THEIR
Claim 2
Dependent Claim
56 words
IN AN APPARATUS OF THE CHARACTER DESCRIBED, A HOUSING INCLUDING A TOP WALL HAVING AN OPENING THEREIN TO RECEIVE A SPHERICAL ELEMENT, A PAIR OF BUFFER WHEELS MOUNTED IN SAID HOUSING BENEATH SAID OPENING, SAID WHEELS BEING ROTATABLE ON PARALLEL AXES SPACED APART SIDE BY SIDE AND BEING ADAPTED TO SUPPORT THE SPHERICAL ELEMENT ON THEIR
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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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |