Patent US3385490A successfully refreshed from Google Patents.
US3385490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying web or sheet material
Assignee: Svenska Flaktfabriken AB
•
Filing: 1966-07-07
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Granted: 1968-05-28
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Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 Malmgren Bo
- 👤 Pehrson Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:40
CPC Classifications
B; B65; B65H; B65H5/00; B65H5/22; B65H5/228; B65G; B65G51/00; B65G51/02; B65G51/03; D; D21; D21F; D21F5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3231165A
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US3206092A
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US3230752A
Cited
FR1342552A
Cited
US3272415A
Cited
US3180688A
Cited
US3181916A
Cited
US3268222A
Cited
US3318640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |