US2735231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
simjian
Assignee: Reflectone Corp
•
Filing: 1953-05-22
•
Granted: 1956-02-21
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:19
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/10; B24B31/102; H; H01; H01F; H01F7/00; H01F7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE485592A
Cited
US2548373A
Cited
DE722067C
Cited
US2460918A
Cited
US2554701A
Cited
US2510675A
Cited
US2616984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |