Patent US3021756A successfully refreshed from Google Patents.
US3021756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rear vision mirrors
Assignee: Individual
•
Filing: 1956-06-01
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Granted: 1962-02-20
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Expires: 1976-06-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Milton
- 👤 Robert H Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:06
CPC Classifications
B; B60; B60R; B60R1/00; B60R1/02; B60R1/08; B60R1/081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1864015A
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US1858734A
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US2097419A
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US2033391A
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US2168003A
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US2123319A
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US2573812A
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GB649008A
Cited
US2570357A
Cited
FR1059898A
Cited
US2780960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |