US2858179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chassis, base, and cover fastening means
Assignee: Duracell Inc USA
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Filing: 1957-01-10
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Granted: 1958-10-28
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Expires: 1977-01-10
Abstract
No abstract record available.
Inventors
- 👤 George O Puerner
- 👤 Herman J Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:32
CPC Classifications
H; H05; H05K; H05K5/00; H05K5/04
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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |