Patent US2451213A successfully refreshed from Google Patents.
US2451213A
Expired / Lapsed
US
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Reciprocable feed means for printing machines
Assignee: AB Dick Co
•
Filing: 1944-09-15
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Granted: 1948-10-12
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Expires: 1964-09-15
Abstract
No abstract record available.
Inventors
- 👤 Walter T Gollwitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:59
CPC Classifications
B; B41; B41L; B41L47/00; B41L47/14; B41L47/18
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) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |