US3146872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic brake system
Assignee: Turnbull Elevator Ltd
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Filing: 1963-07-01
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Granted: 1964-09-01
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Carl T Prucha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:47
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/04; B62B5/0404; B62B5/0428; A; A47; A47F; A47F10/00; A47F10/02; A47F10/04; B60; B60B; B60B33/00; B60B33/02; B60B33/021; B60P; B60P3/00; B60P3/06; B60P3/07; B60P3/073; B61; B61K; B61K7/00; B62B5/02; B62B5/021; B60B2200/00; B60B2200/40; B60B2200/43; B60B2200/432; B62B5/049
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A VEHICLE ADAPTED TO BE CARRIED BY A CONVEYOR HAVING A SLOTTED SURFACE, THE VEHICLE HAVING WHEELS ON WHICH THE VEHICLE CAN ROLL WHEN OFF SAID SURFACE, AT LEAST ONE OF THE WHEELS HAVING A CONFIGURATION THAT REGISTERS WITH SAID SURFACE WHEREBY WHEN THE VEHICLE IS ON THE CONVEYOR SAID ONE OF THE WHEELS CAN DROP INTO SAID SURFACE, THE VEHICLE
Claim 2
Dependent Claim
61 words
A VEHICLE ADAPTED TO BE CARRIED BY A CONVEYOR HAVING A SLOTTED SURFACE, THE VEHICLE HAVING WHEELS ON WHICH THE VEHICLE CAN ROLL WHEN OFF SAID SURFACE, AT LEAST ONE OF THE WHEELS HAVING A CONFIGURATION THAT REGISTERS WITH SAID SURFACE WHEREBY WHEN THE VEHICLE IS ON THE CONVEYOR SAID ONE OF THE WHEELS CAN DROP INTO SAID SURFACE, THE VEHICLE
References Cited (Backward Citations)
US3115975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |