US2723595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflecting device
Assignee: Individual
•
Filing: 1951-12-26
•
Granted: 1955-11-15
•
Expires: 1971-12-26
Abstract
No abstract record available.
Inventors
- 👤 Rupert Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:14
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/122; G02B5/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US835648A
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US1591572A
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US1848675A
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US1955105A
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US1822451A
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US1805224A
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US1906655A
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US1807350A
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US1950560A
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US2029375A
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US2119992A
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US2107833A
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US2538638A
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US2481757A
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US2685231A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |