US2574175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape-dispensing machine
Assignee: DERBY SEALERS Inc
•
Filing: 1947-06-18
•
Granted: 1951-11-06
•
Expires: 1967-06-18
Abstract
No abstract record available.
Inventors
- 👤 Oscar P Erhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:04
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/002; B65H35/0026; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/217; Y10T225/238; Y10T225/246; Y10T225/247; Y10T225/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1107848A
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US1117404A
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US1261668A
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US1542485A
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US1490669A
Cited
US1774480A
Cited
US1816385A
Cited
US1865399A
Cited
US2087010A
Cited
US2506504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |