Patent US3499446A successfully refreshed from Google Patents.
US3499446A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1966-10-07
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Granted: 1970-03-10
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Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Yosoji Tsuneizumi
- 👤 Kiyoko Tsuneizumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:58
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/67; A61K8/676; A45; A45D; A45D44/00; A45D44/002; A61K8/02; A61K8/0208; A61K8/0212; A61K8/673; A61K8/72; A61K8/73; A61K8/731; A61K8/81; A61K8/8129; A61K8/96; A61K8/98; A61K8/981; A61K8/983; A61K8/987; A61K8/988; A61Q; A61Q19/00
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) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |