Patent US2759045A successfully refreshed from Google Patents.
US3539671A
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Method for making resiliently faced rolls
Assignee: Rowland Products Inc
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Filing: 1968-02-01
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Granted: 1970-11-10
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Expires: 1988-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jan P Nauta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:21
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/58; B29C39/00; B29C39/02; B29C39/10; B29C59/00; B29C59/002; B29C67/00; B29C67/0003; B29D; B29D99/00; B29D99/0032; B29D99/0035; B30; B30B; B30B3/00; B30B3/005; B44; B44B; B44B5/00; B44B5/02; B44B5/026; B29K; B29K2083/00; B29L; B29L2031/00; B29L2031/32; B29L2031/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2263285A
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US2388880A
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US2985916A
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US3097080A
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US3263273A
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US3222443A
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US3222439A
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US3356242A
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US3378617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |