Patent US3350533A successfully refreshed from Google Patents.
US3350533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain welding machine
Assignee: Meyer Roth and Pastor Maschinenfabrik GmbH
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Filing: 1965-01-25
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Granted: 1967-10-31
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Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Karl Kleine-Weischede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:55
CPC Classifications
B; B21; B21L; B21L3/00; B21L3/02; B23; B23K; B23K11/00; B23K11/04; B23K11/046
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |