US3463474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for sectioning continuously welded pipe coils
Assignee: Messer Griesheim GmbH
•
Filing: 1967-01-17
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Granted: 1969-08-26
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Expires: 1987-01-17
Abstract
No abstract record available.
Inventors
- 👤 Sebastian Muller
- 👤 Ewald Klarner
- 👤 Horst Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:57
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/005; B23K7/006; B21; B21C; B21C37/00; B21C37/06; B21C37/12; B21C37/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2560738A
Cited
US3076641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |