US3510352A
Expired / Lapsed
US
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Assignee: EDWARD R NEUMAN
•
Filing: 1967-10-25
•
Granted: 1970-05-05
•
Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Edward R Neuman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:19
CPC Classifications
B; B60; B60S; B60S3/00; B60S3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2936770A
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US2862222A
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FR1213822A
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US3237598A
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US3167797A
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CH393946A
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US3261369A
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US3259138A
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US3400727A
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US3391701A
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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) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |