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US3470592A
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US
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Slack eliminating device for sheetfeeding apparatus
Assignee: Mount Hope Machinery Ltd
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Filing: 1966-09-29
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Granted: 1969-10-07
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Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 John D Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:45
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/022; B65H23/025; B65H23/0258; B65H2404/00; B65H2404/10; B65H2404/15; B65H2404/152; B65H2404/1521; B65H2404/15212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2674776A
Cited
AT209292B
Cited
US3107036A
Cited
US3171579A
Cited
US3254818A
Cited
US3300114A
Cited
US3330456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |