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US2118514A
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Duplicating routing machine
Assignee: Individual
•
Filing: 1936-07-29
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Granted: 1938-05-24
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Expires: 1956-07-29
Abstract
No abstract record available.
Inventors
- 👤 Carl H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:42
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/56; B23Q1/60; B23Q1/62; B23Q1/621; B23Q1/26; B23Q1/40; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/302464
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-05-23 | 1941-11-22 | 1942-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-23 | 1945-11-22 | 1946-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-23 | 1949-11-22 | 1950-05-24 | $7700.00 | Window Closed / Lapsed |