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Patent US3416414A successfully refreshed from Google Patents.
US3416414A
Expired / Lapsed
US
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Multipurpose suction roll for envelope making machines
Assignee: Individual
•
Filing: 1967-07-20
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Granted: 1968-12-17
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Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Eliot S Smithe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:38
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/022; B31B70/024; B31B2150/00; B31B2160/00; B31B2160/10; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/917; Y10S493/919; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/1339; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1768; Y10T156/1771; Y10T156/1773
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2996962A
Cited
US3029176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |