US3534483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heat-setting synthetic fibre yarns
Assignee: SAITO PATENT OFFICE
•
Filing: 1968-07-10
•
Granted: 1970-10-20
•
Expires: 1988-07-10
Abstract
No abstract record available.
Inventors
- 👤 Nobuhisa Kodaira
- 👤 Norio Motegi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:29
CPC Classifications
D; D02; D02J; D02J13/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1969492A
Cited
US2304396A
Cited
US2483378A
Cited
US2873597A
Cited
US2820280A
Cited
US2974512A
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 |