Patent US3511564A successfully refreshed from Google Patents.
US3511564A
Expired / Lapsed
US
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Reader-printer with plastic transport belt
Assignee: Bell and Howell Co
•
Filing: 1967-05-18
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Granted: 1970-05-12
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Expires: 1987-05-18
Abstract
No abstract record available.
Inventors
- 👤 Adolph J Gawin
- 👤 Robert F Porazinski
- 👤 Daryl J Strahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:52
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11; G03B21/118; G03G; G03G15/00; G03G15/22; G03G15/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2979026A
Cited
US3309960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |