Patent US3032080A successfully refreshed from Google Patents.
US3032080A
Expired / Lapsed
US
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Means for controlling liquid flow
Assignee: Individual
•
Filing: 1958-04-17
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Granted: 1962-05-01
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Expires: 1978-04-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Bures
- 👤 Carl F Wapiennik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:47
CPC Classifications
B; B67; B67C; B67C11/00; B67C11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US104575A
Cited
US596606A
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US721870A
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US989300A
Cited
US990549A
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US2737953A
Cited
US2868246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |