Patent US3017496A successfully refreshed from Google Patents.
US3017496A
Expired / Lapsed
US
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Automatic seam follower
Assignee: Airco Inc
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Filing: 1958-11-20
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Granted: 1962-01-16
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Expires: 1978-11-20
Abstract
No abstract record available.
Inventors
- 👤 Greene William John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:04
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/127; B23K9/1272; B23K9/1276; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2679620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |