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Patent US2666148A successfully refreshed from Google Patents.
US2666148A
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Contaminating control device
Assignee: SANICOM Co Inc
•
Filing: 1951-02-07
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Granted: 1954-01-12
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Expires: 1971-02-07
Abstract
No abstract record available.
Inventors
- 👤 Abraham A Arvintz
- 👤 Nathan A Arvins
- 👤 Robert A Arvintz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:21
CPC Classifications
F; F22; F22D; F22D5/00; F22D5/24; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1471342A
Cited
US1002635A
Cited
US1953491A
Cited
US2193261A
Cited
US2361235A
Cited
US2355014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |