Patent US3371415A successfully refreshed from Google Patents.
US3371415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit saw
Assignee: Individual
•
Filing: 1967-05-15
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Granted: 1968-03-05
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Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
- 👤 Elmer R Hutchinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:52
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/12; B23D45/122; H; H02; H02G; H02G1/00; H02G1/12; H02G1/1297
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2031470A
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US2176646A
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US2396442A
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US2551401A
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US2654941A
Cited
US2674027A
Cited
US2796657A
Cited
US3022574A
Cited
US3108373A
Cited
US3273236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |