Patent US2913747A successfully refreshed from Google Patents.
US2913747A
Expired / Lapsed
US
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Marker
Assignee: Marsh Stencil Machine Co
•
Filing: 1956-10-10
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Granted: 1959-11-24
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Expires: 1976-10-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Hempel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:10
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/02; B43K8/024; B43K8/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US506539A
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US589716A
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US1553072A
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US946149A
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US973375A
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US2234558A
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US2453201A
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US2577321A
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US2617431A
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US2828500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |