US2966746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for driving a group of rollers
Assignee: Individual
•
Filing: 1958-04-15
•
Granted: 1961-01-03
•
Expires: 1978-04-15
Abstract
No abstract record available.
Inventors
- 👤 Mellbin Bertil Fredri Helgeson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:40
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE874977C
Cited
US2770338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |