US3474692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for preventing paper jams
Assignee: GAF Corp
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Filing: 1967-02-07
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Granted: 1969-10-28
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Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 Delbert W Sames
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:48
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6517; G03G15/6523; G03B; G03B27/00; G03B27/02; G03B27/14; G03G15/6588; G03G15/6594; G03G15/6597; G03G2215/00; G03G2215/00362; G03G2215/00443; G03G2215/00518; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/444; Y10T83/4443; Y10T83/462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |