Patent US2172313A successfully refreshed from Google Patents.
US2172313A
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Automatic reproducing process and machine
Assignee: Union Carbide Corp
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Filing: 1935-06-15
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Granted: 1939-09-05
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Expires: 1955-06-15
Abstract
No abstract record available.
Inventors
- 👤 Lloyd W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:25
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/128; B23K; B23K7/00; B23K7/002; B23K7/004; Y; Y10; Y10S; Y10S33/00; Y10S33/03; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/30112; Y10T409/303416; Y10T409/303472; Y10T409/303528; Y10T409/303584; Y10T83/00; Y10T83/869; Y10T83/875
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) | 1942-09-04 | 1943-03-06 | 1943-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-04 | 1947-03-06 | 1947-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-04 | 1951-03-06 | 1951-09-05 | $7700.00 | Window Closed / Lapsed |