Patent US3283731A successfully refreshed from Google Patents.
US3283731A
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Self-leveling device
Assignee: AMF Inc
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Filing: 1965-03-30
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Granted: 1966-11-08
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Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Maslow Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:08
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/06; B65G1/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A SELF-LEVELING DEVICE COMPRISING A CARRIER ASSEMBLY INCLUDING A PLATFORM FOR SUPPORTING A PLURALITY OF ARTICLES IN STACKED RELATION MEANS FOR SUPPORTING SAID CARRIER ASSEMBLY FOR VERTICAL MOVEMENT, SAID MEANS COMPRISING A PAIR OF SUSPENSION BANDS A REEL MEANS FOR EACH OF SAID BANDS ABOUT WHICH PORTIONS OF SAID BANDS ARE WOUND AS SAID CARRIER MOVES, SAID REEL MEANS EACH COMPRISING A PAIR OF SPACED APART FLANGE MEMBERS PROVIDED WITH MEANS WHICH DEFINE A VARIABLE DIAMETER HUB ABOUT WHICH THE BAND IS WOUND.
Claim 2
Dependent Claim
83 words
A SELF-LEVELING DEVICE COMPRISING A CARRIER ASSEMBLY INCLUDING A PLATFORM FOR SUPPORTING A PLURALITY OF ARTICLES IN STACKED RELATION MEANS FOR SUPPORTING SAID CARRIER ASSEMBLY FOR VERTICAL MOVEMENT, SAID MEANS COMPRISING A PAIR OF SUSPENSION BANDS A REEL MEANS FOR EACH OF SAID BANDS ABOUT WHICH PORTIONS OF SAID BANDS ARE WOUND AS SAID CARRIER MOVES, SAID REEL MEANS EACH COMPRISING A PAIR OF SPACED APART FLANGE MEMBERS PROVIDED WITH MEANS WHICH DEFINE A VARIABLE DIAMETER HUB ABOUT WHICH THE BAND IS WOUND.
References Cited (Backward Citations)
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US3123023A
Cited
US744613A
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US2560928A
Cited
US2775352A
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US3154029A
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |