US2455882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic duplicating machine
Assignee: Niles Bement Pond Co
•
Filing: 1944-01-28
•
Granted: 1948-12-07
•
Expires: 1964-01-28
Abstract
No abstract record available.
Inventors
- 👤 Robert D Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:27
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q2735/00; B23Q2735/02; B23Q2735/06; B23Q2735/065; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1683581A
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US1774279A
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US1952230A
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US2036362A
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US1996439A
Cited
GB459685A
Cited
GB505470A
Cited
US2162491A
Cited
US2364873A
Cited
US2345218A
Cited
US2332533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |