US3496714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulky yarn
Assignee: Owens Corning
•
Filing: 1967-01-03
•
Granted: 1970-02-24
•
Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Charles F Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:40
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/162; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2933; Y10T428/2964; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA644727A
Cited
US2962794A
Cited
US2878548A
Cited
US3113413A
Cited
US3136111A
Cited
US3309861A
Cited
US3391052A
Cited
US3412543A
Cited
US3394538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |