Patent US3483569A successfully refreshed from Google Patents.
US3483569A
Expired / Lapsed
US
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Underwater eyemask
Assignee: Individual
•
Filing: 1968-06-04
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Granted: 1969-12-16
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Expires: 1988-06-04
Abstract
No abstract record available.
Inventors
- 👤 Israel Armendariz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:05
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1397250A
Cited
US2526181A
Cited
FR1052722A
Cited
US2881444A
Cited
US3027562A
Cited
US3336599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |