US3017930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable supports for fourdrinier screen wires
Assignee: Lodding Engineering Corp
•
Filing: 1959-06-24
•
Granted: 1962-01-23
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Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Harold E Dunlap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:59
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)
GB399739A
Cited
US2170109A
Cited
US2312519A
Cited
US2372248A
Cited
US2477339A
Cited
US2694345A
Cited
GB717798A
Cited
US2744454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |