US3099476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stone grapple
Assignee: Individual
•
Filing: 1961-05-29
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Granted: 1963-07-30
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Garrett H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:13
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/422
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A GRAPPLE COMPRISING A PAIR OF PIVOTALLY CONNECTED, OUTWARDLY AND DOWNWARDLY EXTENDING ARMS, A PAIR OF JAWS HAVING MUTUALLY FACING FORWARD SURFACES, EACH OF SAID JAWS PIVOTED AT ITS UPPER REARWARD PORTION TO THE LOWER END OF A RESPECTIVE ARM, A PAIR OF LEVERS EACH HAVING A LOWER END PIVOTED TO THE LOWER REARWARD PORTION OF A RESPECTIVE JAW AND EXTENDING UPWARDLY THEREFROM, A PAIR OF STOPS EACH SECURED TO AN INTERMEDIATE PORTION OF A RESPECTIVE ARM, A PAIR OF LINKS EACH PIVOTED AT AN UPPER END TO A RESPECTIVE STOP AND AT A LOWER END TO A RESPECTIVE LEVER AT AN INTERMEDIATE PORTION THEREOF, MEANS FOR MOVING THE PIVOTAL CONNECTIONS OF SAID LINKS AND LEVERS TOWARD ONE ANOTHER, EACH OF SAID LEVERS HAVING AN UPWARDLY EXTENDING ENDWARD PORTION ADAPTED TO ENGAGE A RESPECTIVE STOP UPON THE MOVEMENT TOWARD ONE ANOTHER OF SAID LINK AND LEVER CONNECTIONS FOR EXERTING AN INWARD FORCE UPON THE LOWER PORTION OF SAID JAWS, AND MEANS FOR SEPARATING SAID ARMS.
Claim 2
Dependent Claim
165 words
A GRAPPLE COMPRISING A PAIR OF PIVOTALLY CONNECTED, OUTWARDLY AND DOWNWARDLY EXTENDING ARMS, A PAIR OF JAWS HAVING MUTUALLY FACING FORWARD SURFACES, EACH OF SAID JAWS PIVOTED AT ITS UPPER REARWARD PORTION TO THE LOWER END OF A RESPECTIVE ARM, A PAIR OF LEVERS EACH HAVING A LOWER END PIVOTED TO THE LOWER REARWARD PORTION OF A RESPECTIVE JAW AND EXTENDING UPWARDLY THEREFROM, A PAIR OF STOPS EACH SECURED TO AN INTERMEDIATE PORTION OF A RESPECTIVE ARM, A PAIR OF LINKS EACH PIVOTED AT AN UPPER END TO A RESPECTIVE STOP AND AT A LOWER END TO A RESPECTIVE LEVER AT AN INTERMEDIATE PORTION THEREOF, MEANS FOR MOVING THE PIVOTAL CONNECTIONS OF SAID LINKS AND LEVERS TOWARD ONE ANOTHER, EACH OF SAID LEVERS HAVING AN UPWARDLY EXTENDING ENDWARD PORTION ADAPTED TO ENGAGE A RESPECTIVE STOP UPON THE MOVEMENT TOWARD ONE ANOTHER OF SAID LINK AND LEVER CONNECTIONS FOR EXERTING AN INWARD FORCE UPON THE LOWER PORTION OF SAID JAWS, AND MEANS FOR SEPARATING SAID ARMS.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |