US3234670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bracing arrangement for tiltdozer blades
Assignee: Caterpillar Inc
•
Filing: 1962-06-22
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Granted: 1966-02-15
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Charles M Fryer
- 👤 Loyal O Watts
- 👤 Leon A Wirt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:03
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/7609; E02F3/7613
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
IN A TILTDOZER ARRANGEMENT, A COMBINATION COMPRISING A GROUND ENGAGING VEHICLE, A BLADE MEMBER POSITIONED ADJACENT TO SAID VEHICLE, PUSH ARM MEMBERS UNIVERSALLY CONNECTED TO SAID BLADE MEMBER AND TO SAID VEHICLE FOR PUSHING SAID BLADE MEMBER FOR EARTH MOVING PURPOSES, AT LEAST ONE SELECTIVELY EXTENSIBLE AND RETRACTABLE TILT ARM PIVOTALLY MOUNTED ON ONE OF SAID PUSH ARMS AND UNIVERSALLY MOUNTED TO SAID BLADE MEMBER FOR SELECTIVELY IMPARTING TILTING MOVEMENT THERETO AND A BRACING MEANS
References Cited (Backward Citations)
US1685751A
Cited
US1713030A
Cited
US1997001A
Cited
US2059431A
Cited
US2308613A
Cited
US2311553A
Cited
DE882785C
Cited
US2775831A
Cited
US3011276A
Cited
US3059356A
Cited
US3122850A
Cited
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 |