US2620544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating web material
Assignee: Individual
•
Filing: 1950-11-25
•
Granted: 1952-12-09
•
Expires: 1970-11-25
Abstract
No abstract record available.
Inventors
- 👤 Edward P Mullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:56
CPC Classifications
D; D06; D06B; D06B7/00; D06B7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US311349A
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US1058459A
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US1626438A
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US1717870A
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US1752712A
Cited
US1980498A
Cited
US1893197A
Cited
US2064512A
Cited
US2045755A
Cited
US2005352A
Cited
US2294141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |