US3207477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snatch block
Assignee: Individual
•
Filing: 1963-05-06
•
Granted: 1965-09-21
•
Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Watt Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:18
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/04; B66D3/06; B66D3/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A SHEAVE BLOCK WHICH INCLUDES ATLEAST ONESHEAVE HAVING A HOLLOW AXLEANDMOUNTED TO ROTATEABOUT THE AXIS OF THE AXLE,A PAIR OF AXIALLY SPACED CHECK PLATES ONE ON EITHER SIDE OF THE SHEAVE AND HAVING EACH A SEAT AROUND THE AXIS,RESILIENTRINGS IN THE SEATS ANDRESILIENTLY SUPPORTING THE AXLESRELATIVE TOTHE CHEEK PLATES,ANDSPACING MEANS IN THE FORM OF A TIOE BAR PASSING THROUGH THE CHEEK PLATES AND THROUGH THE BORE OF THE HOLLOW AXLETOLIMIT THE OUTWARD AXLE SPACIONG OF THECHEEK PLATE.
Claim 2
Dependent Claim
77 words
A SHEAVE BLOCK WHICH INCLUDES ATLEAST ONESHEAVE HAVING A HOLLOW AXLEANDMOUNTED TO ROTATEABOUT THE AXIS OF THE AXLE,A PAIR OF AXIALLY SPACED CHECK PLATES ONE ON EITHER SIDE OF THE SHEAVE AND HAVING EACH A SEAT AROUND THE AXIS,RESILIENTRINGS IN THE SEATS ANDRESILIENTLY SUPPORTING THE AXLESRELATIVE TOTHE CHEEK PLATES,ANDSPACING MEANS IN THE FORM OF A TIOE BAR PASSING THROUGH THE CHEEK PLATES AND THROUGH THE BORE OF THE HOLLOW AXLETOLIMIT THE OUTWARD AXLE SPACIONG OF THECHEEK PLATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |