Patent US3170464A successfully refreshed from Google Patents.
US3170464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contraceptive means
Assignee: Individual
•
Filing: 1962-01-22
•
Granted: 1965-02-23
•
Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Forti Emilio
- 👤 Guercio Carlo Del
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:10
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/08; A61F6/02; A61F6/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US208883A
Cited
DE365183C
Cited
US822092A
Cited
FR357747A
Cited
US2020107A
Cited
US2110962A
Cited
US2123109A
Cited
US2186729A
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US2410460A
Cited
US2665235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |