US3228268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable tube end cutting tool
Assignee: LOWRY DEV CORP
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Filing: 1963-09-09
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Granted: 1966-01-11
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Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Russell B Strout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:49
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; B23B5/161; B23B5/163; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/563; Y10T408/5633; Y10T408/89; Y10T408/899; Y10T408/905; Y10T408/906; Y10T409/00; Y10T409/30; Y10T409/306216
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A ROTARY CUTTER HEAD COMPRISING A CYLINDRICAL MEMBER HAVING A BORE, A PLURALITY OF TEETH ON ONE END OF SAID MEMBER SURROUNDING SAID BORE, A PLUG INSERTED INTO SAID BORE, A BIT PIERCING SAID PLUG TRANSVERSELY, THE INNER SURFACE OF THE PROTRUDING ENDS OF SAID BIT BEING SEATED AGAINST THE END OF SAID MEMBER BETWEEN SAID TEETH, SAID BIT HAVING FACE CUTTING EDGES DISPOSED FOR ROTATION IN A CUTTING PATH DISPOSED AXIALLY INWARDLY OF THE TIPS OF SAID TEETH AND RADIALLY INWARDLY OF THE CUTTING PATH OF ROTATION OF SAID TEETH.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |