US2549239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for handling rolls of sheet material
Assignee: TEXTILE HANDLING EQUIPMENT CO
•
Filing: 1948-06-18
•
Granted: 1951-04-17
•
Expires: 1968-06-18
Abstract
No abstract record available.
Inventors
- 👤 David S Robertson
- 👤 Leslie J Highfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:25
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317776A
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DE429703C
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US1509400A
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US1547683A
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US1669837A
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US1643489A
Cited
US1613381A
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US1919269A
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US1833243A
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US2096958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |