US3597175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming uniform bodies from glass fibers
Assignee: Owens Corning
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Filing: 1969-10-27
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Granted: 1971-08-03
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Expires: 1989-10-27
Abstract
Abstract A FIBROUS BODY OF CONTINUOUS STRANDS UNIFORMLY DISTRIBUTED WITH RESPECT TO EACH OTHER, THE STRANDS HAVING THE FILAMENTS DISPERSED IN THE DEPOSITED POSITION OF THE STRAND. THE BODY IS FORMED OF STRANDS COMPOSED OF ONLY ENOUGH FILAMENTS TO GIVE EACH STRAND SUFFICIENT MASS TO BE PROJECTED TO A PREDETERMINED OR SELECTED AREA OF A COLLECTING SURFACE AT A BODY FORMING STATION. THE FILAMENTS OF EACH STRAND ARE THEN DISPERSED AFTER THE STRAND IS IN PLACE ON THE COLLECTION SURFACE.
Inventors
- 👤 Richard E Pitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:31
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |