US3534453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for converting textile threads
Assignee: Individual
•
Filing: 1968-01-15
•
Granted: 1970-10-20
•
Expires: 1988-01-15
Abstract
No abstract record available.
Inventors
- 👤 Michel Serge Maxime Lefebvre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:33
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0266; D02G1/04; D02G1/16; D02G1/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3009309A
Cited
US3052009A
Cited
US3206922A
Cited
US3254424A
Cited
US3304593A
Cited
US3346932A
Cited
US3422516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |