Patent US3235913A successfully refreshed from Google Patents.
US3235913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for continuously producing glass fibre mats
Assignee: Individual
•
Filing: 1964-08-03
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Granted: 1966-02-22
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Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Schuller Werner Hugo Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:44
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A METHOD OF MANUFACTURING A MAT OF GENERALLY UNIFORM DENSITY AND THICKNESS FROM STAPLE GLASS FIBRES COMPRISING THE STEPS OF: FORMING INDIVIDUAL STAPLE FIBRES FROM GLASS FILAMENTS; ENTRAINING SAID FIBERS TO THAT INDIVIDUALLY IN A MAIN CURRENT OF AIR; TRAVELING SAID MAIN CURRENT OF AIR ALONG AND ADJACENT THE UPPER PERIPHERY OF AN ASSOCIATED GUIDE MEANS; CONTROLLING THE RATE OF FLOW OF SAID MAIN AIR CURRENT BY DIRECTING STREAMS OF AIR UPWARDLY AT AN ANGLE THERETO AND ALSO INTERMITTENTLY INTRODUCING ADDITIONAL STREAMS OF AIR ONTO SAID MAIN AIR CURRENT; AND DIRECTING SAID MAIN AIR CURRENT AND ADDITIONAL STREAM OF AIR TO A DEPOSIT STATION AT WHCIH SAID INDIVIDUAL FIBERS ARE DEPOSITED IN RANDOM SUPERPOSED RELATIONSHIP TO BUILD UP A MAT OF UNIFORM DENSITY AND THICKNESS.
Claim 2
Independent Claim
125 words
A METHOD OF MANUFACTURING A MAT OF GENERALLY UNIFORM DENSITY AND THICKNESS FROM STAPLE GLASS FIBRES COMPRISING THE STEPS OF: FORMING INDIVIDUAL STAPLE FIBRES FROM GLASS FILAMENTS; ENTRAINING SAID FIBERS TO THAT INDIVIDUALLY IN A MAIN CURRENT OF AIR; TRAVELING SAID MAIN CURRENT OF AIR ALONG AND ADJACENT THE UPPER PERIPHERY OF AN ASSOCIATED GUIDE MEANS; CONTROLLING THE RATE OF FLOW OF SAID MAIN AIR CURRENT BY DIRECTING STREAMS OF AIR UPWARDLY AT AN ANGLE THERETO AND ALSO INTERMITTENTLY INTRODUCING ADDITIONAL STREAMS OF AIR ONTO SAID MAIN AIR CURRENT; AND DIRECTING SAID MAIN AIR CURRENT AND ADDITIONAL STREAM OF AIR TO A DEPOSIT STATION AT WHCIH SAID INDIVIDUAL FIBERS ARE DEPOSITED IN RANDOM SUPERPOSED RELATIONSHIP TO BUILD UP A MAT OF UNIFORM DENSITY AND THICKNESS.
References Cited (Backward Citations)
US1946784A
Cited
US2110280A
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US2244544A
Cited
US2996102A
Cited
US3037248A
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US3051998A
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |