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US2449663A
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US
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Interfolding
Assignee: Individual
•
Filing: 1946-09-28
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Granted: 1948-09-21
•
Expires: 1966-09-28
Abstract
No abstract record available.
Inventors
- 👤 Marcalus Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:35
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/20; B65H45/16; B65H45/162; B65H2701/00; B65H2701/10; B65H2701/18; B65H2701/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US455404A
Cited
US1050191A
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US1346602A
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US1372173A
Cited
US1497296A
Cited
US1561908A
Cited
US1886312A
Cited
US1871301A
Cited
US2246336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-21 | 1952-03-22 | 1952-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-21 | 1956-03-22 | 1956-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-21 | 1960-03-22 | 1960-09-21 | $7700.00 | Window Closed / Lapsed |