US3286377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trenching hoe having spread footing cutting means
Assignee: Individual
•
Filing: 1963-11-20
•
Granted: 1966-11-22
•
Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:07
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/025; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN EXCAVATION BUCKET THAT CAN BE UTILIZED FOR BOTH TRENCHING AND THE CUTTING OF ADDITIONAL CROSS-SECTION AT THE BOTTOM OF A TRENCH COMPRISING: A PAIR OF OPPOSING SIDES, A PAIR OF DIVERGING WINGS, EACH OF SAID DIVERGING WINGS BEING PIVOTALLY MOUNTED TO ONE OF SAID OPPOSING SIDES, SAID DIVERGING WINGS HAVING OPEN AND CLOSED POSITIONS, SAID DIVERGING WINGS BEING IN ALIGNMENT WITH SAID SIDES OF SAID EXCAVATION BUCKET IN THEIR CLOSED POSI-
Claim 2
Dependent Claim
72 words
AN EXCAVATION BUCKET THAT CAN BE UTILIZED FOR BOTH TRENCHING AND THE CUTTING OF ADDITIONAL CROSS-SECTION AT THE BOTTOM OF A TRENCH COMPRISING: A PAIR OF OPPOSING SIDES, A PAIR OF DIVERGING WINGS, EACH OF SAID DIVERGING WINGS BEING PIVOTALLY MOUNTED TO ONE OF SAID OPPOSING SIDES, SAID DIVERGING WINGS HAVING OPEN AND CLOSED POSITIONS, SAID DIVERGING WINGS BEING IN ALIGNMENT WITH SAID SIDES OF SAID EXCAVATION BUCKET IN THEIR CLOSED POSI-
References Cited (Backward Citations)
US2556592A
Cited
US3089261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |