Patent US1740296A successfully refreshed from Google Patents.
US3082452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraper attachment for electric drill
Assignee: Individual
•
Filing: 1962-06-20
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Granted: 1963-03-26
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Antony E Heine
- 👤 Clyde M Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:03
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; B; B08; B08B; B08B7/00; B08B7/02; B08B7/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SCRAPING ATTACHMENT COMPRISING AN ELONGATED RIGID BODY HAVING A STEM PROJECTING FROM ONE END THEREOF AND ADAPTED TO BE DETACHABLY SECURED IN A DRILL CHUCK, A PLURALITY OF SETS OF FINGERS SECURED TO AND EXTENDING OUTWARDLY FROM SAID BODY, EACH SET OF FINGERS BEING DISPOSED LONGITUDINALLY OF THE BODY, A BLADE SECURED TO AND PROJECTING OUTWARDLY FROM THE DISTAL END OF EACH FINGER, AND SAID
Claim 2
Dependent Claim
66 words
A SCRAPING ATTACHMENT COMPRISING AN ELONGATED RIGID BODY HAVING A STEM PROJECTING FROM ONE END THEREOF AND ADAPTED TO BE DETACHABLY SECURED IN A DRILL CHUCK, A PLURALITY OF SETS OF FINGERS SECURED TO AND EXTENDING OUTWARDLY FROM SAID BODY, EACH SET OF FINGERS BEING DISPOSED LONGITUDINALLY OF THE BODY, A BLADE SECURED TO AND PROJECTING OUTWARDLY FROM THE DISTAL END OF EACH FINGER, AND SAID
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |