US3469829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing wire of high tensile strength
Assignee: Koshuha Netsuren KK
•
Filing: 1966-06-16
•
Granted: 1969-09-30
•
Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 Makoto Fujita
- 👤 Kanichiro Katsura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:18
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/60; C21D8/00; C21D8/06; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1386645A
Cited
US1732244A
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US2783788A
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US2880739A
Cited
US2932502A
Cited
US3154440A
Cited
US3368381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |