Patent US1901101A successfully refreshed from Google Patents.
US1901101A
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Assignee: ECONOMIC MACHINERY CO
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Filing: 1931-09-21
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Granted: 1933-03-14
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Expires: 1951-09-21
Abstract
No abstract record available.
Inventors
- 👤 Holm Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:55
CPC Classifications
B; B65; B65C; B65C9/00; B65C9/08; B65C9/12; B65C9/16; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1776; Y10T156/1778
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) | 1936-03-13 | 1936-09-12 | 1937-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-13 | 1940-09-12 | 1941-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-13 | 1944-09-12 | 1945-03-14 | $7700.00 | Window Closed / Lapsed |