US3086482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trolley
Assignee: Walker Manufacturing Co
•
Filing: 1960-11-25
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Granted: 1963-04-23
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Charles E Fiegel
- 👤 Ernest H Bostetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:01
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/20; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A TROLLEY FOR SUPPORTING A LOAD FOR MOVEMENT LONGITUDINALLY ALONG A TRACK, SAID TROLLEY COMPRISING A BODY MEMBER, FIRST AND SECOND LONGITUDINALLY AND LATERALLY STAGGERED ROTATABLE MEMBERS ON SAID BODY MEMBER ENGAGEABLE WITH THE TRACK IN LOAD TRANSMITTING RELATIONSHIP, SAID ROTATABLE MEMBERS BEING MOUNTED ON SAID BODY MEMBER SO AS TO BE THE SOLE MEANS FOR RESTRICTING ROTATION OF SAID BODY MEMBER WITH RESPECT TO THE TRACK ABOUT A FIRST AXIS PARALLEL TO THE ROTATIVE AXES OF SAID MEMBERS AND ABOUT A SECOND AXIS NORMAL TO SAID FIRST AXIS AND GENERALLY PARALLEL TO THE DIRECTION OF MOVEMENT OF SAID TROLLEY, MEANS FOR RESTRICTING ROTATION OF SAID BODY MEMBER WITH RESPECT TO SAID TRACK ABOUT A THIRD AXIS NORMAL TO THE FIRST AND SECOND AXES, AND MEANS FOR SUPPORTING A LOAD SPACED SUBSTANTIALLY EQUALLY BETWEEN SAID ROTATABLE MEMBERS.
Claim 2
Dependent Claim
137 words
A TROLLEY FOR SUPPORTING A LOAD FOR MOVEMENT LONGITUDINALLY ALONG A TRACK, SAID TROLLEY COMPRISING A BODY MEMBER, FIRST AND SECOND LONGITUDINALLY AND LATERALLY STAGGERED ROTATABLE MEMBERS ON SAID BODY MEMBER ENGAGEABLE WITH THE TRACK IN LOAD TRANSMITTING RELATIONSHIP, SAID ROTATABLE MEMBERS BEING MOUNTED ON SAID BODY MEMBER SO AS TO BE THE SOLE MEANS FOR RESTRICTING ROTATION OF SAID BODY MEMBER WITH RESPECT TO THE TRACK ABOUT A FIRST AXIS PARALLEL TO THE ROTATIVE AXES OF SAID MEMBERS AND ABOUT A SECOND AXIS NORMAL TO SAID FIRST AXIS AND GENERALLY PARALLEL TO THE DIRECTION OF MOVEMENT OF SAID TROLLEY, MEANS FOR RESTRICTING ROTATION OF SAID BODY MEMBER WITH RESPECT TO SAID TRACK ABOUT A THIRD AXIS NORMAL TO THE FIRST AND SECOND AXES, AND MEANS FOR SUPPORTING A LOAD SPACED SUBSTANTIALLY EQUALLY BETWEEN SAID ROTATABLE MEMBERS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |