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US3004268A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1957-04-22
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Granted: 1961-10-17
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Expires: 1977-04-22
Abstract
No abstract record available.
Inventors
- 👤 William F Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:06
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2239565A
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US791504A
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US866785A
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US1130520A
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US1173544A
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US1156241A
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US1440814A
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US2263911A
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US2340965A
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US2339564A
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US2396086A
Cited
US2608819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |