Patent US2755700A successfully refreshed from Google Patents.
US2755700A
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US
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Antiglare system for vehicles
Assignee: UNIROC GRINDING AB
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Filing: 1951-11-14
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Granted: 1956-07-24
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Expires: 1971-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ljungstrom Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:01
CPC Classifications
B; B60; B60J; B60J3/00; B60J3/04; F; F21; F21V; F21V11/00; F21W; F21W2107/00; F21W2107/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1786518A
Cited
US2003248A
Cited
US2131888A
Cited
US2066680A
Cited
GB525493A
Cited
US2187648A
Cited
US2574729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |