US3254932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clip-on welding glasses
Assignee: Individual
•
Filing: 1962-12-26
•
Granted: 1966-06-07
•
Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Vernon O Blaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:28
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; A61F9/064; G; G02; G02C; G02C7/00; G02C7/10; G02C7/105; G02C9/00; G02C9/04; G02C2202/00; G02C2202/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2675740A
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US950255A
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US1239691A
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US1257667A
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GB488958A
Cited
US2339078A
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US2362637A
Cited
US2378493A
Cited
US2409356A
Cited
US2770167A
Cited
FR1235406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |