Patent US2729933A successfully refreshed from Google Patents.
US2729933A
Expired / Lapsed
US
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Twine
Assignee: Schlichter Jute Cordage Co
•
Filing: 1952-07-12
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Granted: 1956-01-10
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Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 William W Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/16; D02G3/18; D02G3/182; D07; D07B; D07B5/00; D07B5/005; D07B5/02; D07B2201/00; D07B2201/10; D07B2201/1012; D07B2201/1016; D07B2201/20; D07B2201/2015; D07B2201/2042; D07B2201/2044; D07B2205/00; D07B2205/10; D07B2205/103; D07B2205/30; D07B2205/3003; D10; D10B; D10B2201/00; D10B2201/01; D10B2201/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2133237A
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US2132702A
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US2146314A
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US2224274A
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US2313058A
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US2388140A
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US2448782A
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US2475083A
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US2671306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |