Patent US3029070A successfully refreshed from Google Patents.
US3029070A
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US
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Plate for contact apparatus
Assignee: KGI Inc
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Filing: 1958-04-08
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Granted: 1962-04-10
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Expires: 1978-04-08
Abstract
No abstract record available.
Inventors
- 👤 Fred C Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:21
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2045518A
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FR885548A
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US2627397A
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US2658737A
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US2767966A
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US2862696A
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US2772080A
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US2819050A
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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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |