US3017239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner filters having germicidal properties
Assignee: Fram Corp
•
Filing: 1958-11-03
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Granted: 1962-01-16
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Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Clarke A Rodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:05
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/0027; B01D46/0035; B01D39/00; B01D39/14; B01D39/16; B01D39/1607; B01D39/1615; B01D39/1623; B01D39/18; B01D46/10; F; F24; F24F; F24F13/00; F24F13/28; B01D2279/00; B01D2279/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN AIR FILTER COMPRISING A FIBROUS FILTER MEDIUM HAVING APPLIED TO ITS FIBERS A DRY NON-OLEAGINOUS PERMANENT COATING COMPRISING (1) A SURFACE-ACTIVE WETTING AGENT AND (2) AS A NON-VOLATILE BACTERICIDE AND FUNGICIDE A COMPOUND SELECTED FROM THE CLASS CONSISTING OF AN ORGANOTIN COMPOUND HAVING A TETRAVALENT TIN ATOM WHICH IS BONDED DIRECTLY TO AT LEAST ONE NEGATIVE SUBSTITUENT AND ITS REMAINING VALENCES BONDED DIRECTLY TO ORGANIC SUBSTITUTENTS AND AN ORGANO-SILVER COMPOUND SELECTED FROM THE CLASS CONSISTING OF A SILVER SALT OF AN ORGANIC ACID AND AN ORGANIC COMPLEX OF A SILVER SALT.
Claim 2
Dependent Claim
92 words
AN AIR FILTER COMPRISING A FIBROUS FILTER MEDIUM HAVING APPLIED TO ITS FIBERS A DRY NON-OLEAGINOUS PERMANENT COATING COMPRISING (1) A SURFACE-ACTIVE WETTING AGENT AND (2) AS A NON-VOLATILE BACTERICIDE AND FUNGICIDE A COMPOUND SELECTED FROM THE CLASS CONSISTING OF AN ORGANOTIN COMPOUND HAVING A TETRAVALENT TIN ATOM WHICH IS BONDED DIRECTLY TO AT LEAST ONE NEGATIVE SUBSTITUENT AND ITS REMAINING VALENCES BONDED DIRECTLY TO ORGANIC SUBSTITUTENTS AND AN ORGANO-SILVER COMPOUND SELECTED FROM THE CLASS CONSISTING OF A SILVER SALT OF AN ORGANIC ACID AND AN ORGANIC COMPLEX OF A SILVER SALT.
References Cited (Backward Citations)
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Cited
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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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |