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Patent US1191773A successfully refreshed from Google Patents.
US1191773A
Expired / Lapsed
US
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Face-shield.
Assignee: Individual
•
Filing: 1915-06-29
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Granted: 1916-07-18
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Expires: 1935-06-29
Abstract
No abstract record available.
Inventors
- 👤 William F Dinkuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:41
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1919-07-18 | 1920-01-17 | 1920-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-07-18 | 1924-01-17 | 1924-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-07-18 | 1928-01-17 | 1928-07-18 | $7700.00 | Window Closed / Lapsed |