US3360025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double edge hole saw and mandrel
Assignee: Individual
•
Filing: 1965-09-14
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Granted: 1967-12-26
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Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Sr John Gallo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/04; B23B51/0426; B23B51/0473; B23B2251/00; B23B2251/24; B23B2251/247; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/895; Y10T408/905; Y10T408/906; Y10T408/94; Y10T408/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A HOLE SAW WHICH, IN COMBINATION, COMPRISES: A TUBULAR SAW MEMBER HAVING A CUTTING EDGE ON AT LEAST ONE END THEREOF; A ROTATABLE SHAFT EXTENDING INTO THE TUBULAR MEMBER FROM ONE END FOR DRIVING THE SAW, SAID SHAFT INCLUDING A HOLE IN THE END THEREOF FOR RECEIVING A PILOT DRILL AND A PASSAGE IN THE SIDE THEREOF COMMUNICATING WITH THE HOLE FOR RECEIVING A KEY; AN ANNULAR RESILIENT MEMBER SNUGLY RECEIVED ON THE SHAFT INSIDE THE TUBULAR MEMBER FOR ENGAGING THE SHAFT AND THE INTERIOR WALL OF THE TUBULAR MEMBER; AND
Claim 2
Dependent Claim
91 words
A HOLE SAW WHICH, IN COMBINATION, COMPRISES: A TUBULAR SAW MEMBER HAVING A CUTTING EDGE ON AT LEAST ONE END THEREOF; A ROTATABLE SHAFT EXTENDING INTO THE TUBULAR MEMBER FROM ONE END FOR DRIVING THE SAW, SAID SHAFT INCLUDING A HOLE IN THE END THEREOF FOR RECEIVING A PILOT DRILL AND A PASSAGE IN THE SIDE THEREOF COMMUNICATING WITH THE HOLE FOR RECEIVING A KEY; AN ANNULAR RESILIENT MEMBER SNUGLY RECEIVED ON THE SHAFT INSIDE THE TUBULAR MEMBER FOR ENGAGING THE SHAFT AND THE INTERIOR WALL OF THE TUBULAR MEMBER; AND
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |