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US2660092A
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US
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Assignee: Individual
•
Filing: 1950-11-02
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Granted: 1953-11-24
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Expires: 1970-11-02
Abstract
No abstract record available.
Inventors
- 👤 Ildiko E Bloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:28
CPC Classifications
G; G02; G02C; G02C3/00; G02C3/003; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1371; Y10T24/1397; Y10T24/39; Y10T24/3987
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1596019A
Cited
US1819738A
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US2172510A
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US2264351A
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US2194043A
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US2449694A
Cited
US2504524A
Cited
US2581366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |