US3235310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dump body door operating mechanism
Assignee: Caterpillar Inc
•
Filing: 1964-05-07
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Granted: 1966-02-15
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Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jackson C Medley
- 👤 Donald E Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:32
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/02; B62D33/023; B62D33/027; B62D33/037; B60; B60P; B60P1/00; B60P1/04; B60P1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A TILTABLE DUMP BODY OF THE TYPE WHEREIN A LINKAGE MECHANISM IS ASSOCIATED THEREWITH WHICH IS OPERABLE IN RESPONSE TO UPWARD TILTING MOVEMENT OF THE BODY FOR OPENING A DOOR IN ORDER TO ALLOW GRAVITATIONAL DISCHARGE OF THE CONTENTS OF THE BODY, THE CONBINATION WITH SAID LINKAGE MECHANISM OF A PRESSURE FLUID ACTUATOR MAINTAINED IN ITS FULLY EXTENDED POSITOIN DURING TILTING, SAID MAINTAIN BEING ARRANGED TO DEFINE A LINK OF SAID MECHANISM.
Claim 2
Dependent Claim
73 words
IN A TILTABLE DUMP BODY OF THE TYPE WHEREIN A LINKAGE MECHANISM IS ASSOCIATED THEREWITH WHICH IS OPERABLE IN RESPONSE TO UPWARD TILTING MOVEMENT OF THE BODY FOR OPENING A DOOR IN ORDER TO ALLOW GRAVITATIONAL DISCHARGE OF THE CONTENTS OF THE BODY, THE CONBINATION WITH SAID LINKAGE MECHANISM OF A PRESSURE FLUID ACTUATOR MAINTAINED IN ITS FULLY EXTENDED POSITOIN DURING TILTING, SAID MAINTAIN BEING ARRANGED TO DEFINE A LINK OF SAID MECHANISM.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |