Patent US3233530A successfully refreshed from Google Patents.
US3233530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compaction device
Assignee: Individual
•
Filing: 1963-01-03
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Granted: 1966-02-08
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Expires: 1983-01-03
Abstract
No abstract record available.
Inventors
- 👤 John P Brebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:37
CPC Classifications
E; E01; E01H; E01H4/00; E01H4/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A COMPACTION DEVICE FOR GROOMING SNOW ON SKI SLOPES, COMPRISING A FRAME ADAPTED TO BE TOWED BY A VEHICLE, SAID FRAME HAVING TWO ALIGNED, SPACED-APART AXLE MOUNTS, RESILIENT AND LONGITUDINALLY FLEXIBLE ELONGATED CYLINDER MEANS EQUIPPED WITH AXIALLY OUTWARDLY-EXTENDING AXLES IN THE ENDS THEREOF AND JOURNALED IN SAID MOUNTS, A CYLINDRICAL LAYER OF RESILIENT MATERIAL ABOUT SAID CYLINDER MEANS, A FABRIC-LIKE COVER OVERLYING SAID LAYER, AND A PLURALITY OF LONGITUDINALLY SPACED BELT MEANS ABOUT SAID COVER AND EXTENDING ANNULARLY THEREABOUT TO PREVENT ROLLER SIDE-SLIP ON HILLS.
Claim 2
Dependent Claim
85 words
A COMPACTION DEVICE FOR GROOMING SNOW ON SKI SLOPES, COMPRISING A FRAME ADAPTED TO BE TOWED BY A VEHICLE, SAID FRAME HAVING TWO ALIGNED, SPACED-APART AXLE MOUNTS, RESILIENT AND LONGITUDINALLY FLEXIBLE ELONGATED CYLINDER MEANS EQUIPPED WITH AXIALLY OUTWARDLY-EXTENDING AXLES IN THE ENDS THEREOF AND JOURNALED IN SAID MOUNTS, A CYLINDRICAL LAYER OF RESILIENT MATERIAL ABOUT SAID CYLINDER MEANS, A FABRIC-LIKE COVER OVERLYING SAID LAYER, AND A PLURALITY OF LONGITUDINALLY SPACED BELT MEANS ABOUT SAID COVER AND EXTENDING ANNULARLY THEREABOUT TO PREVENT ROLLER SIDE-SLIP ON HILLS.
References Cited (Backward Citations)
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |