Patent US3464685A successfully refreshed from Google Patents.
US3464685A
Expired / Lapsed
US
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Pipe cutting machine
Assignee: CARL G SCHREIB
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Filing: 1968-01-15
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Granted: 1969-09-02
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Expires: 1988-01-15
Abstract
No abstract record available.
Inventors
- 👤 Carl G Schreib
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:13
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/032; B23K7/00; B23K7/005; B23K7/006; B23Q; B23Q1/00; B23Q1/72; B23Q1/76; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q35/103
Claims Analysis
Total Claims: 0
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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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |