US1904861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape handling apparatus
Assignee: Potdevin Machine Co
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Filing: 1931-06-12
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Granted: 1933-04-18
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Expires: 1951-06-12
Abstract
No abstract record available.
Inventors
- 👤 Ettl Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:56
CPC Classifications
B; B43; B43M; B43M11/00; B43M11/02; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0046; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4496; Y10T83/4498; Y10T83/4539; Y10T83/4541; Y10T83/626; Y10T83/637
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) | 1936-04-17 | 1936-10-17 | 1937-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-17 | 1940-10-17 | 1941-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-17 | 1944-10-17 | 1945-04-18 | $7700.00 | Window Closed / Lapsed |