US2722729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for packaging strands of flexible material into cylindrical containers
Assignee: RHEE ELASTIC THREAD Corp
•
Filing: 1954-07-09
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Granted: 1955-11-08
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Expires: 1974-07-09
Abstract
No abstract record available.
Inventors
- 👤 Kurt E Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:16
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/76; B65H54/80; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US334453A
Cited
US1728413A
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US1596851A
Cited
US1974862A
Cited
US2181777A
Cited
US2154344A
Cited
US2304260A
Cited
US2412089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |