US2031267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservative means for ropes and the like
Assignee: Columbian Rope Co
•
Filing: 1934-09-13
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Granted: 1936-02-18
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Expires: 1954-09-13
Abstract
No abstract record available.
Inventors
- 👤 Archie W Koon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:17
CPC Classifications
D; D07; D07B; D07B5/00; D07B5/02; D07B1/00; D07B1/14; D07B1/148; G; G09; G09F; G09F3/00; G09F3/02; D07B2205/00; D07B2205/30; D07B2205/3021; D07B2205/3067; D07B2501/00; D07B2501/20; D07B2501/2061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-02-17 | 1939-08-19 | 1940-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-17 | 1943-08-19 | 1944-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-17 | 1947-08-19 | 1948-02-18 | $7700.00 | Window Closed / Lapsed |