Patent US2955962A successfully refreshed from Google Patents.
US2955962A
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US
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Dust cloth
Assignee: 3M Co
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Filing: 1956-09-28
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Granted: 1960-10-11
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Expires: 1976-09-28
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Engdahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:08
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/347; D06M2101/00; D06M2101/02; D06M2101/04; D06M2101/06; D06M2101/08; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273; Y10T428/28; Y10T428/2852; Y10T428/2857; Y10T428/2878; Y10T428/2883; Y10T428/2891; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2754
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A STORABLE, NON-TOXIC,POROUS, READILY CONFORMABLE AND PLIABLE DUST CLOTH TO WHICH DUST READILY CLINGS, SAID DUST CLOTH BEING EASILY SLIDABLE OVER SURFACES UNDER LIGHT FINGER PRESSURE WITHOUT CLINGING TO THE SURFACES AND WITHOUT DEPOSITING FOREIGN MATERIALS THEREUPON, AND BEING EASILY UNFOLDED AND FLATTENED WITHOUT SURFACES OF THE CLOTH STICKING TOGETHER AFTER BEING CRUMPLED INTO A BALL, SAID DUST CLOTH COMPRISING A THIN NON-UNIFIED, POROUS WEB OF
Claim 2
Dependent Claim
66 words
A STORABLE, NON-TOXIC,POROUS, READILY CONFORMABLE AND PLIABLE DUST CLOTH TO WHICH DUST READILY CLINGS, SAID DUST CLOTH BEING EASILY SLIDABLE OVER SURFACES UNDER LIGHT FINGER PRESSURE WITHOUT CLINGING TO THE SURFACES AND WITHOUT DEPOSITING FOREIGN MATERIALS THEREUPON, AND BEING EASILY UNFOLDED AND FLATTENED WITHOUT SURFACES OF THE CLOTH STICKING TOGETHER AFTER BEING CRUMPLED INTO A BALL, SAID DUST CLOTH COMPRISING A THIN NON-UNIFIED, POROUS WEB OF
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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |