Patent US2420660A successfully refreshed from Google Patents.
US2420660A
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Manifolding assembly
Assignee: Standard Register Co
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Filing: 1941-05-28
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Granted: 1947-05-20
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Expires: 1961-05-28
Abstract
No abstract record available.
Inventors
- 👤 Urban M Falter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:35
CPC Classifications
B; B41; B41L; B41L1/00; B41L1/20; B41L1/26; B41L1/32; B42; B42B; B42B4/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49835
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US447314A
Cited
US1042707A
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US2178354A
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US2153874A
Cited
US2185518A
Cited
US2198457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |