US3400044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headbox flow control apparatus
Assignee: Beloit Corp
•
Filing: 1965-05-27
•
Granted: 1968-09-03
•
Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Justus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/02; D21F1/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3098787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |