US2829374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Face shield and adjustable head band therefor
Assignee: CHICAGO EYE SHIELD CO
•
Filing: 1956-02-15
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Granted: 1958-04-08
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Expires: 1976-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert Malcom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:35
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2177308A
Cited
US2461605A
Cited
US2601362A
Cited
US2610323A
Cited
US2747191A
Cited
US2729820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |