US3052293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positioning and force applying spring arrangement for paper making machine
Assignee: Beloit Iron Works Inc
•
Filing: 1961-06-26
•
Granted: 1962-09-04
•
Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Edward D Beachler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:13
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/36; D21F1/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB168152A
Cited
US1582323A
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US1582322A
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US2392150A
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US2445416A
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US2694345A
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US2760411A
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US2976924A
Cited
US2907450A
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US2918970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |