US3422975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle grapple attachment
Assignee: ORIS L CRISP
•
Filing: 1966-12-12
•
Granted: 1969-01-21
•
Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Oris L Crisp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:44
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/413; E02F3/4133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A GRAPPLE ATTACHMENT FOR A VEHICLE PROVIDED WITH AN ELONGATED ARM EXTENSION, THE ATTACHMENT COMPRISING (A) A PAIR OF VERTICAL JAW SUPPORT MEMBERS ARRANGED IN SPACED PARRALLEL RELATION, (B) FIRST PIVOT MEANS PIVOTALLY ATTACHING THE LOWER ENDS OF THE JAW SUPPORT MEMBERS TO THE OUTER END OF THE ARM EXTENSION, (C) A PAIR OF CONCAVELY ARCUATE, ELONGATED LOWER JAWS MOUNTED IN FIXED PARALLEL RELATION, ONE ON EACH OF THE JAW SUPPORT MEMBERS, (D) A TRANSVERSE BRACE MEMBER INTERCONNECTING THE FORWARD ENDS OF THE PAIR OF LOWER JAWS, (E) A PAIR OF CONCAVELY ARCUATE, ELONGATED UPPER JAWS ARRANGED IN PARALLEL OPERATIVE RELATION TO THE LOWER JAWS, (F) A TRANSVERSE BRACE MEMBER INTERCONNECTING THE PAIR OF UPPER JAWS REARWARDLY OF THE FORWARD ENDS OF THE LATTER, (G) SECOND PIVOT MEAND ADJACENT IN INNER ENDS OF THE UPPER JAWS PIVOTALLY ATTACHING THE UPPER JAWS TO THEIR RESPECTIVE JAW SUPPORT MEMBERS, (H) FIRST RECIPROCATING DRIVE MEANS MOUNTED ON THE OUTER END OF THE ARM AND CONNECTED TO THE INNER ENDS OF THE UPPER JAWS FOR OSCILLATING THE SAME BETWEEN OPEN AND CLOSED POSITIONS, AND (I) SECOND RECIPROCATING DRIVE MEANS MOUNTED ON THE ARM AND CONNECTED TO THE UPPER ENDS OF THE JAW SUPPORT MEMBERS FOR OSCILLATING THE SAME, AND HENCE THE THE JAWS, BETWEEN RAISED AND LOWERED POSITIONS.
Claim 2
Dependent Claim
214 words
A GRAPPLE ATTACHMENT FOR A VEHICLE PROVIDED WITH AN ELONGATED ARM EXTENSION, THE ATTACHMENT COMPRISING (A) A PAIR OF VERTICAL JAW SUPPORT MEMBERS ARRANGED IN SPACED PARRALLEL RELATION, (B) FIRST PIVOT MEANS PIVOTALLY ATTACHING THE LOWER ENDS OF THE JAW SUPPORT MEMBERS TO THE OUTER END OF THE ARM EXTENSION, (C) A PAIR OF CONCAVELY ARCUATE, ELONGATED LOWER JAWS MOUNTED IN FIXED PARALLEL RELATION, ONE ON EACH OF THE JAW SUPPORT MEMBERS, (D) A TRANSVERSE BRACE MEMBER INTERCONNECTING THE FORWARD ENDS OF THE PAIR OF LOWER JAWS, (E) A PAIR OF CONCAVELY ARCUATE, ELONGATED UPPER JAWS ARRANGED IN PARALLEL OPERATIVE RELATION TO THE LOWER JAWS, (F) A TRANSVERSE BRACE MEMBER INTERCONNECTING THE PAIR OF UPPER JAWS REARWARDLY OF THE FORWARD ENDS OF THE LATTER, (G) SECOND PIVOT MEAND ADJACENT IN INNER ENDS OF THE UPPER JAWS PIVOTALLY ATTACHING THE UPPER JAWS TO THEIR RESPECTIVE JAW SUPPORT MEMBERS, (H) FIRST RECIPROCATING DRIVE MEANS MOUNTED ON THE OUTER END OF THE ARM AND CONNECTED TO THE INNER ENDS OF THE UPPER JAWS FOR OSCILLATING THE SAME BETWEEN OPEN AND CLOSED POSITIONS, AND (I) SECOND RECIPROCATING DRIVE MEANS MOUNTED ON THE ARM AND CONNECTED TO THE UPPER ENDS OF THE JAW SUPPORT MEMBERS FOR OSCILLATING THE SAME, AND HENCE THE THE JAWS, BETWEEN RAISED AND LOWERED POSITIONS.
References Cited (Backward Citations)
US3203566A
Cited
US3227297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |