Patent US3443155A successfully refreshed from Google Patents.
US3443155A
Expired / Lapsed
US
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Method for making a dustproof and shockless static bar
Assignee: Simco Co Inc
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Filing: 1966-05-18
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Granted: 1969-05-06
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Harold Schweriner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:35
CPC Classifications
H; H05; H05F; H05F3/00; H05F3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1841323A
Cited
US2083478A
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US2163294A
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US2866923A
Cited
US3162787A
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US3120626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |