US3135478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoist construction
Assignee: YUBA CONS IND Inc
•
Filing: 1961-06-27
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Granted: 1964-06-02
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Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Donald C Hariander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:38
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
A HOIST CONSTRUCTION COMPRISING A DRUM, A PLURALITY OF SIDE BY SIDE ANCHOR BLOCKS ABUTTING THE SURFACE OF SAID DRUM, A PLURALITY OF ROPES EACH SECURED TO ONE OF SAID ANCHOR BLOCKS AND EXTENDING THEREFROM IN A DIRECTION TANGENT TO SAID DRUM, A PLURALITY OF REMOVABLE GUIDE PLATES ENCOMPASSING SAID DRUM BETWEEN THE ENDS THEREOF AND RADIALLY ABUTTING ADJACENT ONES OF SAID ANCHOR BLOCKS, MEANS FOR LOCATING SAID GUIDE PLATES ON OPPOSITE SIDES OF SAID ROPES A DISTANCE SLIGHTLY GREATER THAN THE DIAMETER OF SAID ROPE, AND MEANS FOR HOLDING SAID REMOVABLE GUIDE PLATES ON SAID DRUM.
References Cited (Backward Citations)
US173419A
Cited
US1537585A
Cited
US989098A
Cited
GB169603A
Cited
US1577671A
Cited
US1871234A
Cited
US2126970A
Cited
US2144989A
Cited
US2212798A
Cited
US2143734A
Cited
US2578018A
Cited
US2755029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |