US2874383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for driving tempered steel into walls, ceilings or the like
Assignee: Bettermann Elektro Fa GmbH
•
Filing: 1955-04-05
•
Granted: 1959-02-24
•
Expires: 1975-04-05
Abstract
No abstract record available.
Inventors
- 👤 Wieneke Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:04
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US431182A
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US854180A
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US1634226A
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US2229868A
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US2543942A
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US2587944A
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US2538895A
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US2657382A
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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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |