US3283731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-leveling device
Assignee: AMF Inc
•
Filing: 1965-03-30
•
Granted: 1966-11-08
•
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 14:09
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)
US3123024A
Cited
US3123829A
Cited
US3123023A
Cited
US744613A
Cited
US2560928A
Cited
US2775352A
Cited
US2802575A
Cited
US3154029A
Cited
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 |