Patent US3537787A successfully refreshed from Google Patents.
US3537787A
Expired / Lapsed
US
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Photocopy reproduction system
Assignee: ICP Inc
•
Filing: 1967-09-18
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Granted: 1970-11-03
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Expires: 1987-09-18
Abstract
No abstract record available.
Inventors
- 👤 Karl M Murgas
- 👤 Burton Greenberg
- 👤 Otto A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:09
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/28; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3218918A
Cited
US3289532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |