US3073284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrato device for harvesting earthworms
Assignee: Individual
•
Filing: 1958-05-12
•
Granted: 1963-01-15
•
Expires: 1978-05-12
Abstract
No abstract record available.
Inventors
- 👤 Charles G Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:03
CPC Classifications
A; A01; A01M; A01M29/00; A01M29/24; A01K; A01K67/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A DEVICE FOR HARVESTING EARTHWORMS COMPRISING (A) A FLAT METAL BLADE ADAPTED TO BE INSERTED INTO THE SOIL AND MEANS MOUNTED ON SAID BLADE OPERABLE TO IMPART VIBRATIONS TO SAID BLADE IN A DIRECTION NORMAL TO THE PLANE OF SAID BLADE, (B) SAID VIBRATING MEANS COMPRISING A ROD RIGIDLY ATTACHED AT ONE END TO SAID BLADE AND FORMING A HANDLE PORTION AT ITS OTHER END, AND HAVING AN INTERMEDIATE PORTION COMPRISING A RELATIVELY STIFF COIL SPRING.
Claim 2
Independent Claim
76 words
A DEVICE FOR HARVESTING EARTHWORMS COMPRISING (A) A FLAT METAL BLADE ADAPTED TO BE INSERTED INTO THE SOIL AND MEANS MOUNTED ON SAID BLADE OPERABLE TO IMPART VIBRATIONS TO SAID BLADE IN A DIRECTION NORMAL TO THE PLANE OF SAID BLADE, (B) SAID VIBRATING MEANS COMPRISING A ROD RIGIDLY ATTACHED AT ONE END TO SAID BLADE AND FORMING A HANDLE PORTION AT ITS OTHER END, AND HAVING AN INTERMEDIATE PORTION COMPRISING A RELATIVELY STIFF COIL SPRING.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |