US3397628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graphic recorder
Assignee: AB Dick Co
•
Filing: 1965-07-28
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Granted: 1968-08-20
•
Expires: 1985-07-28
Abstract
No abstract record available.
Inventors
- 👤 Daniel B Granzow
- 👤 Stanley A Gawron
- 👤 William P Graff
- 👤 Pervis A Swain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:47
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/26; G03G15/28
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |