US3024839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction regulating means
Assignee: Beloit Iron Works Inc
•
Filing: 1959-05-18
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Granted: 1962-03-13
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Expires: 1979-05-18
Abstract
No abstract record available.
Inventors
- 👤 Edward D Beachler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:51
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/12; D; D21; D21F; D21F1/00; D21F1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |