Patent US2779450A successfully refreshed from Google Patents.
US2779450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling continuous prefolded forms for accounting and typewriting machines
Assignee: Individual
•
Filing: 1955-12-05
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Granted: 1957-01-29
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Expires: 1975-12-05
Abstract
No abstract record available.
Inventors
- 👤 Robert C Mecum
- 👤 Charles F Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:12
CPC Classifications
B; B41; B41J; B41J15/00; B41J15/04; B41J15/08; B41J15/14; B65; B65H; B65H45/00; B65H45/02; B65H45/06; B65H45/10; B65H45/101; B65H45/1015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US483172A
Cited
US910874A
Cited
US1144040A
Cited
US2017799A
Cited
US2032064A
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US2065161A
Cited
US2155520A
Cited
US2167938A
Cited
US2318236A
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US2317923A
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US2329337A
Cited
US2395906A
Cited
US2491131A
Cited
US2667177A
Cited
US2629393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |