Patent US2674549A successfully refreshed from Google Patents.
US2674549A
Expired / Lapsed
US
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Method of cleaning glass cloth
Assignee: Glass Fibers Inc
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Filing: 1951-05-28
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Granted: 1954-04-06
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Expires: 1971-05-28
Abstract
No abstract record available.
Inventors
- 👤 Emil H Balz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:28
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A METHOD OF REMOVING OIL-STARCH BINDER MATERIAL FROM GLASS CLOTH THE STEPS OF IMPREGNATING THE CLOTH WITH AN AQUEOUS SOLUTOIN OF A HEAT DECOMPOSABLE CHLORATE SELECTED FROM THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METAL CHLORATES WHICH CHLORATE IS CAPABLE OF LIBERATING OXYGEN UPON HEAT DECOMPOSITION, REMOVING THE CLOTH FROM THE SOLUTION, AND HEATING THE IMPREGNATED CLOTH TO A TEMPERATURE SUFFICIENT TO DECOMPOSE THE SAID CHLORATE AND SAID BINDER MATERIAL.
Claim 2
Dependent Claim
73 words
IN A METHOD OF REMOVING OIL-STARCH BINDER MATERIAL FROM GLASS CLOTH THE STEPS OF IMPREGNATING THE CLOTH WITH AN AQUEOUS SOLUTOIN OF A HEAT DECOMPOSABLE CHLORATE SELECTED FROM THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METAL CHLORATES WHICH CHLORATE IS CAPABLE OF LIBERATING OXYGEN UPON HEAT DECOMPOSITION, REMOVING THE CLOTH FROM THE SOLUTION, AND HEATING THE IMPREGNATED CLOTH TO A TEMPERATURE SUFFICIENT TO DECOMPOSE THE SAID CHLORATE AND SAID BINDER MATERIAL.
References Cited (Backward Citations)
US1578933A
Cited
US1540491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |