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US3407344A
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US
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Assignee: Individual
•
Filing: 1965-09-23
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Granted: 1968-10-22
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Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Bansho Kiyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:13
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/065; G04C3/069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2900606A
Cited
US3095528A
Cited
US3156857A
Cited
US3064146A
Cited
US3010078A
Cited
GB921948A
Cited
US3183454A
Cited
US3200351A
Cited
US3238431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |