Patent US2598145A successfully refreshed from Google Patents.
US2598145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination visor and magnifier
Assignee: Individual
•
Filing: 1950-12-05
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Granted: 1952-05-27
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Expires: 1970-12-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Earl G Steadman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:28
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/02; G02C7/08; G02B; G02B25/00; G02B25/002; G02B25/004; G02B7/00; G02B7/002; G02C3/00; G02C3/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |