Patent US6269093B1 successfully refreshed from Google Patents.
US3064557A
Expired / Lapsed
US
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Flow restrainer
Assignee: Bauer Brothers Co
•
Filing: 1959-07-15
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Granted: 1962-11-20
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Expires: 1979-07-15
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Ginaven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:16
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/12; B30B9/18; C; C13; C13B; C13B20/00
Claims Analysis
Total Claims: 0
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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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |