US3451612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible box
Assignee: Individual
•
Filing: 1967-07-12
•
Granted: 1969-06-24
•
Expires: 1987-07-12
Abstract
No abstract record available.
Inventors
- 👤 Yosinori Sinoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/38; B65D5/42; B65D81/00; B65D81/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA453995A
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US1470453A
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US1759613A
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US1982962A
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US2345486A
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US2541173A
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US2400443A
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US3044211A
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US3096012A
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US3237838A
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CH431365A
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US3360112A
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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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |