Patent US2442483A successfully refreshed from Google Patents.
US2442483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel spectacle frame
Assignee: Individual
•
Filing: 1947-10-11
•
Granted: 1948-06-01
•
Expires: 1967-10-11
Abstract
No abstract record available.
Inventors
- 👤 Frank A Blasi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:35
CPC Classifications
G; G02; G02C; G02C1/00; G02C1/06; Y; Y10; Y10T; Y10T29/00; Y10T29/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US373006A
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US1189882A
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US1269383A
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US1440430A
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US1557322A
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FR624380A
Cited
GB366740A
Cited
US1996183A
Cited
GB407256A
Cited
US2041004A
Cited
GB500244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |