Patent US3417690A successfully refreshed from Google Patents.
US3417690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling contact printer hammer and hammer carriage
Assignee: SCM Corp
•
Filing: 1966-05-02
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Granted: 1968-12-24
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Clayton H Clark
- 👤 Donald J Stefanik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:07
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/16; H04L17/30; B; B41; B41J; B41J9/00; B41J9/02; B41J9/10; G; G06; G06F; G06F7/00; G06F7/02; G06K; G06K15/00; G06K15/02; G06K15/06; G06K15/07; H04L13/00; H04L13/18; H04L13/186; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1518; Y10T74/1519; Y10T74/1521
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |