US3501894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capsule charging system
Assignee: Sankyo Co Ltd
•
Filing: 1967-03-13
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Granted: 1970-03-24
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Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Naoichi Hayashi
- 👤 Nobuhiro Takeuchi
- 👤 Sakae Sunagawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:58
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; A61J3/071; A61J3/074; B; B65; B65B; B65B1/00; B65B1/02; B65B1/04; B65B1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |