US3508461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chopper for glass strands
Assignee: Owens Corning
•
Filing: 1967-10-04
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Granted: 1970-04-28
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Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Stream
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:24
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/10; C03B37/16; D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10S; Y10S83/00; Y10S83/913; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4833; Y10T83/4836; Y10T83/4838; Y10T83/4841; Y10T83/4844; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9399; Y10T83/9457; Y10T83/9464
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2248291A
Cited
US2719336A
Cited
US2745491A
Cited
US2808884A
Cited
US3130619A
Cited
US3176555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |