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US2863673A
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Assignee: HARSHA HENDERSON AND JOHNSON I
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Filing: 1956-05-21
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Granted: 1958-12-09
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Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Lisota Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:19
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/14; B60S9/16; B60D; B60D1/00; B60D1/24; B60D1/30; B60D1/34; B60D1/345; B60D1/58; B60D1/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1695259A
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US2385253A
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US2453941A
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US2653822A
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US2688496A
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US2643891A
Cited
US2711908A
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US2715034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |