US3058494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal tubbing
Assignee: Individual
•
Filing: 1957-10-04
•
Granted: 1962-10-16
•
Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Mohr Fritz
- 👤 Boddicker Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:04
CPC Classifications
E; E21; E21D; E21D5/00; E21D5/06; E21D5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US211241A
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US400262A
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US558436A
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US1083579A
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US1787907A
Cited
US1981950A
Cited
US2002987A
Cited
US2096850A
Cited
US2540141A
Cited
US2799603A
Cited
US2668131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |