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US3535201A
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Angularly adjustable support mechanism for fourdrinier drainage foil
Assignee: Allis Chalmers Corp
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Filing: 1967-10-02
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Granted: 1970-10-20
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Expires: 1987-10-02
Abstract
No abstract record available.
Inventors
- 👤 George E Reynolds
- 👤 Lee R Loughran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:23
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/48; D21F1/483; D21F1/486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3323981A
Cited
US3323982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |