US3107444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grave digging machine
Assignee: Individual
•
Filing: 1962-01-16
•
Granted: 1963-10-22
•
Expires: 1982-01-16
Abstract
No abstract record available.
Inventors
- 👤 Harry O Crum
- 👤 Everett G Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:30
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/08; E02F9/10; E02F9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A GRAVE DIGGING MACHINE, A LOWER RECTANGULAR FRAME NORMALLY DISPOSED IN A HORIZONTAL POSITION, SUPPORT MEANS ON SAID FRAME FOR SUPPORTING SAID FRAME ON A GROUND SURFACE, A SECOND RECTANGULAR FRAME PIVOTALLY SECURED BY ONE OF ITS ENDS TO ONE END OF SAID LOWER FRAME, AN END FRAME PIVOTALLY SECURED BY ITS LOWER END TO THE END OF SAID LOWER FRAME AT THE END THEREOF OPPOSITE TO THE POINT OF PIVOTAL CONNECTION BETWEEN SAID LOWER FRAME AND SAID SECOND FRAME, SAID END FRAME BEING NORMALLY DISPOSED IN A SUBSTANTIALLY VERTICAL POSITION, MEANS MOVABLY CONNECTING SAID END FRAME AND SAID SECOND FRAME WHEREBY ONE END OF SAID SECOND FRAME
Claim 2
Dependent Claim
109 words
IN A GRAVE DIGGING MACHINE, A LOWER RECTANGULAR FRAME NORMALLY DISPOSED IN A HORIZONTAL POSITION, SUPPORT MEANS ON SAID FRAME FOR SUPPORTING SAID FRAME ON A GROUND SURFACE, A SECOND RECTANGULAR FRAME PIVOTALLY SECURED BY ONE OF ITS ENDS TO ONE END OF SAID LOWER FRAME, AN END FRAME PIVOTALLY SECURED BY ITS LOWER END TO THE END OF SAID LOWER FRAME AT THE END THEREOF OPPOSITE TO THE POINT OF PIVOTAL CONNECTION BETWEEN SAID LOWER FRAME AND SAID SECOND FRAME, SAID END FRAME BEING NORMALLY DISPOSED IN A SUBSTANTIALLY VERTICAL POSITION, MEANS MOVABLY CONNECTING SAID END FRAME AND SAID SECOND FRAME WHEREBY ONE END OF SAID SECOND FRAME
References Cited (Backward Citations)
US42563A
Cited
US455408A
Cited
US1224323A
Cited
FR482661A
Cited
US1866037A
Cited
US2653795A
Cited
US2782534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |