Patent US2802212A successfully refreshed from Google Patents.
US2802212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headgear supporting structure
Assignee: Individual
•
Filing: 1954-05-10
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Granted: 1957-08-13
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Expires: 1974-05-10
Abstract
No abstract record available.
Inventors
- 👤 Walter S Finken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:32
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2359387A
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US2365422A
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US2371712A
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US2398561A
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US2421427A
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US2415214A
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US2536467A
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US2639428A
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US2619638A
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US2715227A
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US2706294A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |