US3362849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of strong fibrous material
Assignee: United Shoe Machinery Corp
•
Filing: 1964-03-31
•
Granted: 1968-01-09
•
Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Tu Shu-Tung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:28
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; Y; Y10; Y10S; Y10S428/00; Y10S428/904
Claims Analysis
Total Claims: 0
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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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |