US3539752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of steel mats
Assignee: Baustahlgewebe GmbH
•
Filing: 1966-08-03
•
Granted: 1970-11-10
•
Expires: 1986-08-03
Abstract
No abstract record available.
Inventors
- 👤 Walter Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:47
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/008; B23K11/0086; E; E04; E04C; E04C5/00; E04C5/01; E04C5/02; E04C5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1542753A
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US2262705A
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US3317703A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |