US3490969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making wood chipboard
Assignee: Individual
•
Filing: 1965-06-02
•
Granted: 1970-01-20
•
Expires: 1985-06-02
Abstract
No abstract record available.
Inventors
- 👤 George Schiff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:30
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24397; Y10T428/249921; Y10T428/249953; Y10T428/249955; Y10T428/249959; Y10T428/31504; Y10T428/31855; Y10T428/31859; Y10T428/3187; Y10T428/31873; Y10T428/3188; Y10T428/31895; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/31964
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2642371A
Cited
GB644564A
Cited
GB785593A
Cited
US2952578A
Cited
US2947654A
Cited
US3000772A
Cited
US3278365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |