US3529045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling roll diameter
Assignee: Spunize Co of America Inc
•
Filing: 1965-05-04
•
Granted: 1970-09-15
•
Expires: 1985-05-04
Abstract
No abstract record available.
Inventors
- 👤 Nathan Rosenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:17
CPC Classifications
D; D21; D21G; D21G1/00; D21G1/02; D21G1/0253; D21G1/0286; B; B21; B21B; B21B37/00; B21B37/58; B21B37/66; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/52; B29B7/58; B29B7/72; B29B7/724; B29C; B29C43/00; B29C43/22; D02; D02G; D02G1/00; D02G1/12; D02G1/125; D21G1/0206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1440371A
Cited
US2882554A
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US3022545A
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US3358344A
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US3039137A
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US3146490A
Cited
US3317978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |