Patent US2700162A successfully refreshed from Google Patents.
US2700162A
Expired / Lapsed
US
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Ear protector
Assignee: Individual
•
Filing: 1951-01-10
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Granted: 1955-01-25
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Expires: 1971-01-10
Abstract
No abstract record available.
Inventors
- 👤 Frances A Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:43
CPC Classifications
A; A61; A61F; A61F11/00; A61F11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US148274A
Cited
US346175A
Cited
US389735A
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US758680A
Cited
US1606878A
Cited
US1853131A
Cited
US2439289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |